Palettes for GIMP, Inkscape, Calligra/Krita, MyPaint, Aseprite, Drawpile... https://github.com/denilsonsa/gimp-palettes

3DTin

6x13 (77 colors, 72 unique)

http://www.3dtin.com/

Adobe SketchBook

6x5 (30 colors, 30 unique)

https://play.google.com/store/apps/details?id=com.adsk.sketchbook

Android icon palette

5x3 (15 colors, 15 unique)

https://bugs.launchpad.net/inkscape/+bug/602698

Android ICS

5x2 (10 colors, 10 unique)

https://developer.android.com/design/style/color.html

AndroidArts.com 16 colors by Arne Niklas Jansson

5x5 (23 colors, 16 unique)

http://androidarts.com/palette/16pal.htm

ANSI escape codes for SGR 256 colors

8x41 (328 colors, 247 unique)

https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit

https://www.pixelbeat.org/docs/terminal_colours/

https://github.com/termstandard/colors

Standard colors

High-intensity colors

216 colors

Grayscale colors

Bamboo Paper (by Wacom)

15x3 (45 colors, 37 unique)

Bamboo Paper (Android app by Wacom)

http://bamboopaper.wacom.com/

https://play.google.com/store/apps/details?id=com.wacom.bamboopapertab

Boomwhacker chromatic scale

12x1 (12 colors, 12 unique)

https://github.com/musescore/MuseScore/blob/master/share/plugins/colornotes/colornotes.qml

https://en.wikipedia.org/wiki/Boomwhacker

https://en.wikipedia.org/wiki/Solf%C3%A8ge#Rainbow_colours_assigned_by_Isaac_Newton

https://commons.wikimedia.org/wiki/Category:Boomwhackers

Boomwhacker diatonic scale

7x1 (7 colors, 7 unique)

https://github.com/nicolasbrailo/PianOli/pull/53

https://en.wikipedia.org/wiki/Boomwhacker

https://en.wikipedia.org/wiki/Solf%C3%A8ge#Rainbow_colours_assigned_by_Isaac_Newton

https://commons.wikimedia.org/wiki/Category:Boomwhackers

Boomwhacker diatonic scale (alt)

7x1 (7 colors, 7 unique)

https://upload.wikimedia.org/wikipedia/commons/c/cb/Boomwhacker.svg

https://commons.wikimedia.org/wiki/Category:Boomwhackers

Breeze

6x6 (36 colors, 33 unique)

https://techbase.kde.org/Projects/Usability/HIG/Color

Breeze (Extended)

14x3 (42 colors, 41 unique)

https://techbase.kde.org/Projects/Usability/HIG/MockupToolkit

Crayola 1903

8x5 (38 colors, 38 unique)

https://en.wikipedia.org/wiki/History_of_Crayola_crayons#1903:_the_original_Crayola_colors

Crayola 1926-1944

10x3 (22 colors, 22 unique)

https://en.wikipedia.org/wiki/History_of_Crayola_crayons#Munsell_Crayola,_1926%E2%80%931944

Crayola 1949

8x6 (48 colors, 48 unique)

https://en.wikipedia.org/wiki/History_of_Crayola_crayons#Changes_through_1949

Crayola 1958

8x8 (64 colors, 64 unique)

https://en.wikipedia.org/wiki/History_of_Crayola_crayons#Crayola_No._64

Crayola 1990-present

9x6 (54 colors, 54 unique)

https://en.wikipedia.org/wiki/History_of_Crayola_crayons#1990%E2%80%93present

Crayola Color 'n Smell Crayons

8x2 (16 colors, 16 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Color_'n_Smell_Crayons

Crayola Colors of the World Crayons

10x4 (40 colors, 32 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Colors_of_the_World_Crayons

Crayola Construction Paper Crayons

8x2 (16 colors, 16 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Construction_Paper_Crayons

Crayola Fluorescent Crayons

8x2 (16 colors, 15 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Fluorescent_crayons

Crayola Gel FX Crayons

8x2 (16 colors, 16 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Gel_FX_Crayons

Crayola Gem Tones

8x2 (16 colors, 16 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Gem_Tones

Crayola Magic Scent Crayons

8x4 (25 colors, 25 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Magic_Scent_Crayons

Crayola Metallic FX Crayons

8x3 (24 colors, 24 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Metallic_FX_Crayons

Crayola Multicultural Crayons

8x1 (8 colors, 8 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Multicultural_Crayons

Crayola Pearl Crayons

8x3 (24 colors, 24 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Pearl_Crayons

Crayola Silly Scents Crayons

8x2 (16 colors, 16 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Silly_Scents_Crayons

Crayola Standard colors (present day)

8x14 (111 colors, 110 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors

16-box

24-box

32-box

64-box

Unknown

Crayola Star Brite Crayons

8x2 (16 colors, 16 unique)

https://en.wikipedia.org/wiki/List_of_Crayola_crayon_colors#Star_Brite_Crayons

CSS Color Module Level 4 named colors

16x10 (148 colors, 139 unique)

http://dev.w3.org/csswg/css-color/#named-colors

DawnBringer's 16 Color Palette

5x4 (16 colors, 16 unique)

http://www.pixeljoint.com/forum/forum_posts.asp?TID=12795

http://goto.glocalnet.net/richard_fhager/db16_v1_analyze.png

DawnBringer's 32 Color Palette

8x4 (32 colors, 32 unique)

http://www.pixeljoint.com/forum/forum_posts.asp?TID=16247

http://hem.bredband.net/ricfha/pic/db32_v1_analyze.png

Doodle or Die

8x2 (16 colors, 16 unique)

http://doodleordie.com/

dotpicko - 3rd Anniversary

16x1 (16 colors, 16 unique)

A palette of dotpict 3rd anniversary

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Autumn

16x1 (16 colors, 16 unique)

Draw the autumn leaves! A warm palette inspired by the colors of autumn.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Catch the fish

16x1 (16 colors, 16 unique)

A palette of April Fool 2017

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Christmas

16x1 (16 colors, 16 unique)

This palette epitomizes the spirit of Christmas.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Cube Puzzle

16x1 (16 colors, 16 unique)

A palette of April Fool 2016

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Dawn

16x1 (16 colors, 16 unique)

A gradation of colors inspired by dawn.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Default Palette

16x1 (16 colors, 16 unique)

Perfect for beginners! This palette is made up of basic colors.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Halloween

16x1 (16 colors, 16 unique)

Celebrate the Halloween update with this Halloween-themed palette!

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Monochrome

16x1 (16 colors, 16 unique)

A gradation of colors from white to black.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - New Year

16x1 (16 colors, 16 unique)

Happy New Year! I wish you all the best this year.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Rain

16x1 (16 colors, 16 unique)

A palette inspired by rainy days spent at home.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Relic

16x1 (16 colors, 16 unique)

Draw natural landscapes easily with this collection of colors.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Steampunk

16x1 (16 colors, 16 unique)

A palette of metallic colors.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Sunset

16x1 (16 colors, 16 unique)

A gradation of colors inspired by the sunset.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Valentine

16x1 (16 colors, 16 unique)

This palette epitomizes the spirit of Valentine.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Violet

16x1 (16 colors, 16 unique)

A palette inspired by the colors of violets.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko - Wintry Wind

16x1 (16 colors, 16 unique)

This palette is made up of cold colors like the wind of the winter.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

dotpicko- Kyoto

16x1 (16 colors, 16 unique)

A palette composed of Japanese-inspired colors.

http://dotpicko.net/

https://play.google.com/store/apps/details?id=net.dotpicko.dotpict

https://itunes.apple.com/app/dottopikuto!-kantandotto-huiapuri/id995653343

Draw My Thing (OMGPOP)

13x1 (13 colors, 13 unique)

Draw Something (by OMGPOP)

5x25 (125 colors, 124 unique)

Draw Something (mobile game by OMGPOP)

https://play.google.com/store/apps/details?id=com.omgpop.dstfree

https://play.google.com/store/apps/details?id=com.omgpop.dstpaid

draw.io

12x12 (144 colors, 142 unique)

https://www.draw.io/

Drawception Beach

4x3 (10 colors, 10 unique)

https://drawception.com/

Drawception Bee

6x1 (6 colors, 6 unique)

https://drawception.com/

Drawception Black & White

2x1 (2 colors, 2 unique)

https://drawception.com/

Drawception Blues

2x4 (8 colors, 8 unique)

https://drawception.com/

Drawception Candy

4x2 (7 colors, 7 unique)

https://drawception.com/

Drawception Canyon Sunset

2x4 (7 colors, 7 unique)

https://drawception.com/

Drawception CGA

4x4 (16 colors, 16 unique)

https://drawception.com/

Drawception Colors 2016

2x4 (7 colors, 7 unique)

https://drawception.com/

Drawception Colors 2017

2x4 (8 colors, 8 unique)

https://drawception.com/

Drawception D's Exclusive

7x2 (12 colors, 12 unique)

https://drawception.com/

Drawception Default

2x9 (17 colors, 17 unique)

https://drawception.com/

Drawception Easter

2x6 (11 colors, 11 unique)

https://drawception.com/

Drawception Fire & Ice

2x5 (10 colors, 10 unique)

https://drawception.com/

Drawception Fury Road

2x5 (10 colors, 10 unique)

https://drawception.com/

Drawception GameBoy

4x1 (4 colors, 4 unique)

https://drawception.com/

Drawception Grayscale

2x7 (13 colors, 13 unique)

https://drawception.com/

Drawception Grimby Grays

2x7 (14 colors, 14 unique)

https://drawception.com/

Drawception Halloween

2x9 (17 colors, 17 unique)

https://drawception.com/

Drawception Holiday

2x6 (12 colors, 12 unique)

https://drawception.com/

Drawception Juice

2x5 (9 colors, 9 unique)

https://drawception.com/

Drawception Lucky Clover

5x2 (9 colors, 9 unique)

https://drawception.com/

Drawception Neon

8x1 (8 colors, 8 unique)

https://drawception.com/

Drawception Retina Burn

2x1 (2 colors, 2 unique)

https://drawception.com/

Drawception Sepia

2x6 (12 colors, 12 unique)

https://drawception.com/

Drawception Sin City

3x1 (3 colors, 3 unique)

https://drawception.com/

Drawception Spring

4x3 (11 colors, 11 unique)

https://drawception.com/

Drawception Thanksgiving

5x2 (9 colors, 9 unique)

https://drawception.com/

Drawception Tide Pool

2x6 (11 colors, 11 unique)

https://drawception.com/

Drawception Tropical

2x5 (9 colors, 9 unique)

https://drawception.com/

Drawception Valentines

2x6 (11 colors, 11 unique)

https://drawception.com/

EL Active

12x9 (108 colors, 95 unique)

Colors from the book

The Complete Color Harmony, Pantone Edition: Expert Color Information for Professional Results

by Leatrice Eiseman

EL Botanical

12x9 (108 colors, 105 unique)

Colors from the book

The Complete Color Harmony, Pantone Edition: Expert Color Information for Professional Results

by Leatrice Eiseman

EL Delicate

12x9 (108 colors, 103 unique)

Colors from the book

The Complete Color Harmony, Pantone Edition: Expert Color Information for Professional Results

by Leatrice Eiseman

EL Playful

12x9 (108 colors, 108 unique)

Colors from the book

The Complete Color Harmony, Pantone Edition: Expert Color Information for Professional Results

by Leatrice Eiseman

EL Powerful

12x8 (96 colors, 95 unique)

Colors from the book

The Complete Color Harmony, Pantone Edition: Expert Color Information for Professional Results

by Leatrice Eiseman

EL Romantic

12x9 (108 colors, 105 unique)

Colors from the book

The Complete Color Harmony, Pantone Edition: Expert Color Information for Professional Results

by Leatrice Eiseman

EL Tropical

12x9 (108 colors, 104 unique)

Colors from the book

The Complete Color Harmony, Pantone Edition: Expert Color Information for Professional Results

by Leatrice Eiseman

EL Urban

12x9 (108 colors, 105 unique)

Colors from the book

The Complete Color Harmony, Pantone Edition: Expert Color Information for Professional Results

by Leatrice Eiseman

Gmail label colors

8x8 (64 colors, 64 unique)

Colors from Gmail labels.

GNOME Human Interface Guidelines

4x8 (32 colors, 32 unique)

https://developer.gnome.org/hig-book/stable/design-color.html.en#Palette

Google Drive

10x8 (80 colors, 80 unique)

Colors from Google Documents and Google Sheets

Google Hangouts Sketch a message

8x4 (32 colors, 32 unique)

https://www.yahoo.com/tech/you-can-now-draw-messages-for-your-friends-in-google-88695389164.html

Google Keep - drawing

7x5 (29 colors, 28 unique)

Colors for drawing inside Google Keep.

https://play.google.com/store/apps/details?id=com.google.android.keep

Google Keep - notes

4x2 (8 colors, 8 unique)

Note colors from Google Keep.

https://keep.google.com/

Grafxkid's 2013 - 46 colors

14x11 (154 colors, 48 unique)

http://grafxkid.tumblr.com/post/137368818644/grafxkids-color-palette-history

Grafxkid's 2014-04-20 - 30 Color V1.0

8x4 (30 colors, 30 unique)

http://grafxkid.tumblr.com/post/137368818644/grafxkids-color-palette-history

Grafxkid's 2014-04-20 - 30 Color V1.0 (shades)

22x3 (66 colors, 30 unique)

http://grafxkid.tumblr.com/post/137368818644/grafxkids-color-palette-history

Grafxkid's 2015-06-26 - LCPB

19x6 (114 colors, 31 unique)

http://grafxkid.tumblr.com/post/137368818644/grafxkids-color-palette-history

Grafxkid's 2015-06-26 - LCPB (linear)

31x1 (31 colors, 31 unique)

http://grafxkid.tumblr.com/post/137368818644/grafxkids-color-palette-history

Grafxkid's 2015-07-05 - 20P DX

7x5 (35 colors, 20 unique)

http://grafxkid.tumblr.com/post/137368818644/grafxkids-color-palette-history

Grafxkid's 2015-08-19 - 24P DX

8x7 (56 colors, 24 unique)

http://grafxkid.tumblr.com/post/137368818644/grafxkids-color-palette-history

Grafxkid's 2015-08-19 - 24P DX (linear)

12x2 (24 colors, 24 unique)

http://grafxkid.tumblr.com/post/137368818644/grafxkids-color-palette-history

Grafxkid's 2015-10-09 - 29P DX

10x7 (70 colors, 29 unique)

http://grafxkid.tumblr.com/post/137368818644/grafxkids-color-palette-history

Grafxkid's 2016-01-23 - TLP

10x5 (41 colors, 31 unique)

http://grafxkid.tumblr.com/post/137918490929/heres-the-latest-version-of-my-personal-pixel-art

Grafxkid's 2016-01-23 - TLP (linear)

13x3 (31 colors, 31 unique)

http://grafxkid.tumblr.com/post/137918490929/heres-the-latest-version-of-my-personal-pixel-art

HW 6-bit RGB (EGA and Sega Master System and Pebble Time)

16x4 (64 colors, 64 unique)

https://en.wikipedia.org/wiki/List_of_monochrome_and_RGB_palettes#6-bit_RGB

https://en.wikipedia.org/wiki/Enhanced_Graphics_Adapter#Color_palette

http://segaretro.org/Palette

http://web.archive.org/web/20161207160515/https://developer.pebble.com/guides/app-resources/images/#color-palettes

https://developer.rebble.io/developer.pebble.com/guides/app-resources/images/index.html#color-palettes

http://web.archive.org/web/20161207160755/https://developer.pebble.com/assets/js/tools/color-dict.js

https://developer.rebble.io/developer.pebble.com/assets/js/tools/color-dict.js

python3 -c 'l=[0,85,170,255]; [print(a,b,c) for a in l for b in l for c in l]'

HW 6-bit RGB (Pebble Time color picker from clay)

9x9 (81 colors, 65 unique)

https://github.com/pebble/clay/blob/1bf6db08092ab464974d1762a953ea7cbd24efb8/src/scripts/components/color.js

https://github.com/pebble/clay

http://web.archive.org/web/20161207160755/https://developer.pebble.com/assets/js/tools/color-dict.js

https://developer.rebble.io/developer.pebble.com/assets/js/tools/color-dict.js

HW 6-bit RGB (Pebble Time color picker from developer site)

20x11 (220 colors, 65 unique)

https://developer.rebble.io/developer.pebble.com/guides/tools-and-resources/color-picker/index.html

http://web.archive.org/web/20161207155315/https://developer.pebble.com/guides/tools-and-resources/color-picker/

http://web.archive.org/web/20161207160755/https://developer.pebble.com/assets/js/tools/color-dict.js

https://developer.rebble.io/developer.pebble.com/assets/js/tools/color-dict.js

HW 6-bit RGB sunlight (Pebble Time color picker from clay)

9x9 (81 colors, 65 unique)

https://github.com/pebble/clay/blob/1bf6db08092ab464974d1762a953ea7cbd24efb8/src/scripts/components/color.js

https://github.com/pebble/clay

http://web.archive.org/web/20161207160755/https://developer.pebble.com/assets/js/tools/color-dict.js

https://developer.rebble.io/developer.pebble.com/assets/js/tools/color-dict.js

http://web.archive.org/web/20161207160755/https://developer.pebble.com/assets/js/tools/color-mapping-sunlight.js

https://developer.rebble.io/developer.pebble.com/assets/js/tools/color-mapping-sunlight.js

HW 6-bit RGB sunlight (Pebble Time color picker from developer site)

20x11 (220 colors, 65 unique)

https://developer.rebble.io/developer.pebble.com/guides/tools-and-resources/color-picker/index.html

http://web.archive.org/web/20161207155315/https://developer.pebble.com/guides/tools-and-resources/color-picker/

http://web.archive.org/web/20161207160755/https://developer.pebble.com/assets/js/tools/color-dict.js

https://developer.rebble.io/developer.pebble.com/assets/js/tools/color-dict.js

http://web.archive.org/web/20161207160755/https://developer.pebble.com/assets/js/tools/color-mapping-sunlight.js

https://developer.rebble.io/developer.pebble.com/assets/js/tools/color-mapping-sunlight.js

HW 6-bit RGB sunlight (Pebble Time)

16x4 (64 colors, 64 unique)

https://en.wikipedia.org/wiki/List_of_monochrome_and_RGB_palettes#6-bit_RGB

https://en.wikipedia.org/wiki/Enhanced_Graphics_Adapter#Color_palette

http://segaretro.org/Palette

http://web.archive.org/web/20161207160515/https://developer.pebble.com/guides/app-resources/images/#color-palettes

https://developer.rebble.io/developer.pebble.com/guides/app-resources/images/index.html#color-palettes

http://web.archive.org/web/20161207160755/https://developer.pebble.com/assets/js/tools/color-dict.js

https://developer.rebble.io/developer.pebble.com/assets/js/tools/color-dict.js

http://web.archive.org/web/20161207160755/https://developer.pebble.com/assets/js/tools/color-mapping-sunlight.js

https://developer.rebble.io/developer.pebble.com/assets/js/tools/color-mapping-sunlight.js

python3 -c 'l=[0,85,170,255]; [print(a,b,c) for a in l for b in l for c in l]'

HW 9-bit RGB (Sega Mega Drive)

32x16 (512 colors, 512 unique)

https://en.wikipedia.org/wiki/List_of_monochrome_and_RGB_palettes#9-bit_RGB

http://segaretro.org/Palette

python3 -c 'l=range(0, 0xf, 2); [print(a*17,b*17,c*17) for a in l for b in l for c in l]'

HW Amstrad CPC series

9x3 (27 colors, 27 unique)

https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#CPC_series

HW Apple II

8x2 (16 colors, 15 unique)

https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#Apple_II_series

HW Atari 2600 (NTSC)

8x16 (128 colors, 128 unique)

https://en.wikipedia.org/wiki/List_of_video_game_console_palettes#Atari_2600

HW Atari 2600 (PAL)

16x7 (104 colors, 104 unique)

https://en.wikipedia.org/wiki/List_of_video_game_console_palettes#Atari_2600

HW Atari 2600 (SECAM)

8x1 (8 colors, 8 unique)

https://en.wikipedia.org/wiki/List_of_video_game_console_palettes#Atari_2600

HW CGA

8x2 (16 colors, 16 unique)

https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#CGA

HW CGA (4-color modes)

4x7 (28 colors, 14 unique)

https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#CGA

HW CGA (earlier CRTs)

8x2 (16 colors, 15 unique)

https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#CGA

HW Commodore 16 and Plus/4

8x16 (128 colors, 121 unique)

https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#C-16_and_Plus.2F4

HW Commodore 64

8x2 (16 colors, 16 unique)

https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#C-64

HW Commodore 64 (Pepto version)

8x2 (16 colors, 16 unique)

http://www.pepto.de/projects/colorvic/

HW Commodore Plus/4 default palette

6x2 (12 colors, 12 unique)

https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#C-16_and_Plus.2F4

HW Game Boy

4x1 (4 colors, 4 unique)

https://en.wikipedia.org/wiki/List_of_video_game_console_palettes#Original_Game_Boy

HW Game Boy (with colors)

12x12 (144 colors, 38 unique)

https://en.wikipedia.org/wiki/Game_Boy_Color#Color_palettes_used_for_original_Game_Boy_games

https://en.wikipedia.org/wiki/File:GBC_keypad_palettes.png

HW Kleincomputer KC 85

8x4 (28 colors, 21 unique)

https://de.wikipedia.org/wiki/Kleincomputer_KC_85/2-4

https://en.wikipedia.org/wiki/Robotron_KC_85

http://www.robotrontechnik.de/html/forum/thwb/showtopic.php?threadid=1430

HW MSX (original)

8x2 (16 colors, 15 unique)

https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#Original_MSX

HW NES

16x4 (64 colors, 55 unique)

https://en.wikipedia.org/wiki/List_of_video_game_console_palettes#Famicom.2FNES

HW NES (pixeltaoNESv1)

16x4 (64 colors, 54 unique)

http://pixeltao.ca/post/152163410138/the-infamous-nes-palette

HW NES (pixeltaoNESv2)

16x4 (64 colors, 55 unique)

http://pixeltao.ca/post/152163410138/the-infamous-nes-palette

HW ZX Spectrum

8x2 (16 colors, 15 unique)

https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#ZX_Spectrum

INKredible

6x7 (42 colors, 33 unique)

http://inkredibleapp.com/

https://play.google.com/store/apps/details?id=com.viettran.INKredible

https://itunes.apple.com/us/app/inkredible/id712303681

Java JColorChooser

31x9 (279 colors, 156 unique)

https://docs.oracle.com/javase/tutorial/uiswing/components/colorchooser.html

KDE Oxygen

6x21 (126 colors, 126 unique)

https://techbase.kde.org/Development/Guidelines/CIG/Colors#Color_Palette

LaTeX Color

14x55 (758 colors, 686 unique)

Colors from:

https://latexcolor.com/

https://github.com/Inventium/latexcolor.com

https://www.ctan.org/tex-archive/macros/latex/contrib/latexcolors

Material Design Palette

14x19 (256 colors, 256 unique)

Converted with RoyCurtis/ASE2GIMP by dylmye using Google's ASE palette

Mindly

7x4 (28 colors, 28 unique)

Mindly mobile app

http://www.mindlyapp.com/

https://play.google.com/store/apps/details?id=com.dripgrind.mindly

https://itunes.apple.com/us/app/mindly/id771221376

MindMup

6x6 (36 colors, 36 unique)

Node colors from MindMup.

https://www.mindmup.com/

Minecraft Text Colors

17x2 (34 colors, 33 unique)

Colors from the legacy §-based formatting system.

https://minecraft.fandom.com/wiki/Formatting_codes#Color_codes

OnePlus Gallery

8x1 (8 colors, 8 unique)

OnePlus Gallery app, colors for drawing on top of images.

https://play.google.com/store/apps/details?id=com.oneplus.gallery

Pantone colors

16x59 (940 colors, 937 unique)

Downloaded from http://www.ve3syb.ca/software/gimp/2.4/pantone.gpl

The information in this file is based on the web page at

http://www.sandaleo.com/pantone.asp

Papyrus (by Steadfast Innovation)

6x6 (36 colors, 36 unique)

Papyrus (Android app by Steadfast Innovation)

http://papyrusapp.com/

https://play.google.com/store/apps/details?id=com.steadfastinnovation.android.projectpapyrus

PICO-8

4x4 (16 colors, 16 unique)

https://en.wikipedia.org/wiki/Pico-8#Display

https://pico-8.fandom.com/wiki/Palette

https://www.lexaloffle.com/bbs/files/16585/PICO-8_Cheat-Sheet_0-9-2.png

Pixelator.co

11x3 (24 colors, 24 unique)

http://www.pixelator.co/

https://github.com/clarkduvall/pixelator

Realtimeboard

5x5 (25 colors, 24 unique)

https://realtimeboard.com/

RHLPixels_2015-02-21_A

5x5 (25 colors, 9 unique)

http://rhlpixels.deviantart.com/art/Origanized-Palette-515565017

RHLPixels_2015-02-21_B

7x1 (7 colors, 7 unique)

http://rhlpixels.deviantart.com/art/Origanized-Palette-515565017

RHLPixels_2015-02-21_C

8x1 (8 colors, 8 unique)

http://rhlpixels.deviantart.com/art/Origanized-Palette-515565017

RHLPixels_2015-02-21_D

10x6 (60 colors, 19 unique)

http://rhlpixels.deviantart.com/art/Origanized-Palette-515565017

RHLPixels_2015-02-21_E

6x12 (72 colors, 21 unique)

http://rhlpixels.deviantart.com/art/Origanized-Palette-515565017

RHLPixels_2015-02-21_F

11x10 (110 colors, 22 unique)

http://rhlpixels.deviantart.com/art/Origanized-Palette-515565017

RHLPixels_2015-02-24

6x20 (120 colors, 98 unique)

http://rhlpixels.deviantart.com/art/Old-palettes-516282081

RHLPixels_2015-06-26_Breath_of_Fire

13x16 (208 colors, 32 unique)

http://rhlpixels.deviantart.com/art/Breath-of-Fire-Palette-542053234

RHLPixels_2015-11-21_A

12x15 (180 colors, 30 unique)

http://rhlpixels.deviantart.com/art/More-Palettes-573615110

RHLPixels_2015-11-21_B

4x5 (20 colors, 10 unique)

http://rhlpixels.deviantart.com/art/More-Palettes-573615110

RHLPixels_2015-11-21_C

5x9 (45 colors, 16 unique)

http://rhlpixels.deviantart.com/art/More-Palettes-573615110

RHLPixels_2015-11-21_D

5x9 (45 colors, 16 unique)

http://rhlpixels.deviantart.com/art/More-Palettes-573615110

RHLPixels_2015-11-21_E

4x8 (32 colors, 14 unique)

http://rhlpixels.deviantart.com/art/More-Palettes-573615110

RHLPixels_2015-11-21_F

5x7 (35 colors, 13 unique)

http://rhlpixels.deviantart.com/art/More-Palettes-573615110

RHLPixels_2015-11-21_G

8x12 (96 colors, 24 unique)

http://rhlpixels.deviantart.com/art/More-Palettes-573615110

RHLPixels_2015-11-21_H

5x6 (30 colors, 11 unique)

http://rhlpixels.deviantart.com/art/More-Palettes-573615110