Palettes for GIMP, Inkscape, Calligra/Krita, MyPaint, 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

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

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 V. 1.1

8x16 (128 colors, 116 unique)

http://rosros-3.deviantart.com/art/Crayola-368592163

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

CrayolaByHue V. 1.1

8x16 (128 colors, 116 unique)

http://rosros-3.deviantart.com/art/Crayola-368592163

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

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 - Autumn

16x1 (16 colors, 16 unique)

Try to draw the 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 - Christmas

16x1 (16 colors, 16 unique)

The palette that summarizes the color 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)

Clear reward.

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

16x1 (16 colors, 16 unique)

Recommended for beginners! The palette 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's update with themed halloween 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 - Kyoto

16x1 (16 colors, 16 unique)

This pallet is summarized the Japanese style shades.

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)

The palette is colors of monochrome gradient.

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 for 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 - Rainy

16x1 (16 colors, 16 unique)

This pallet imagined rainy day.

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 (15 colors, 15 unique)

This pallet is easy to draw the natural landscape.

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)

This pallet is summarized the metallic based 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 - Sumire

16x1 (16 colors, 16 unique)

The palette like the colors of Sumire. Sumire means violet.

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)

The palette is colors of sunset gradient.

http://dotpicko.net/

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

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

dotpicko - Windy Wind

16x1 (16 colors, 16 unique)

This palette is the cold colors as wintry wind.

http://dotpicko.net/

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

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

dotpicko - Yoake

16x1 (16 colors, 16 unique)

The palette like the colors of yoake. Yoake means dawn.

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 B&W

2x1 (2 colors, 2 unique)

https://drawception.com/

Drawception Beach

4x3 (10 colors, 10 unique)

https://drawception.com/

Drawception Bee

6x1 (6 colors, 6 unique)

https://drawception.com/

Drawception CGA

4x4 (16 colors, 16 unique)

https://drawception.com/

Drawception Colors of the Year 2016

7x1 (7 colors, 7 unique)

https://drawception.com/

Drawception GameBoy

4x1 (4 colors, 4 unique)

https://drawception.com/

Drawception Grayscale

7x2 (13 colors, 13 unique)

https://drawception.com/

Drawception Halloween

6x3 (17 colors, 17 unique)

https://drawception.com/

Drawception Holiday

4x2 (8 colors, 8 unique)

https://drawception.com/

Drawception Neon

7x1 (7 colors, 7 unique)

https://drawception.com/

Drawception Normal

2x9 (17 colors, 17 unique)

https://drawception.com/

Drawception Sepia

2x6 (12 colors, 12 unique)

https://drawception.com/

Drawception Spring

5x3 (11 colors, 11 unique)

https://drawception.com/

Drawception Thanksgiving

9x1 (9 colors, 9 unique)

https://drawception.com/

Drawception The Blues

9x1 (9 colors, 9 unique)

https://drawception.com/

Drawception Valentine's

5x2 (10 colors, 10 unique)

https://drawception.com/

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)

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

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 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

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/

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

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

Skedio

5x4 (20 colors, 20 unique)

http://skedio.shturmsoft.com/

https://play.google.com/store/apps/details?id=com.shturmsoft.skedio

Sketch Toy

3x6 (18 colors, 18 unique)

http://sketchtoy.com/

Snapchat

11x3 (33 colors, 31 unique)

https://www.snapchat.com/

SVG-Edit color palette

12x4 (48 colors, 41 unique)

https://svg-edit.googlecode.com/svn/trunk/editor/svg-editor.html

Symphonical

8x3 (24 colors, 24 unique)

https://www.symphonical.com/

Trello labels

5x3 (11 colors, 11 unique)

Label colors from Trello

VoxelShop (by BlackFlux Software)

15x9 (135 colors, 49 unique)

https://blackflux.com/node/11

VoxelShop background (by BlackFlux Software)

20x21 (420 colors, 417 unique)

https://blackflux.com/node/11

Wad's Optimum 16 Color Palette

4x4 (16 colors, 16 unique)

http://alumni.media.mit.edu/~wad/color/palette.html

we draw comics

5x6 (30 colors, 30 unique)

Palettes from http://beta.wedrawcomics.com/

Each comic has 10 colors (5 grayscale + 5 custom colors).

Windows 7 MS Paint

10x2 (20 colors, 20 unique)

Windows MFC Color Dialog (from center to border)

16x9 (144 colors, 143 unique)

http://www.functionx.com/visualc/controls/dlgmfccolor.htm

http://imgur.com/GY2K7WB

Found on Clickteam Fusion and on several Windows tools.

Windows MFC Color Dialog (hexagonal adaptation)

26x15 (390 colors, 144 unique)

http://www.functionx.com/visualc/controls/dlgmfccolor.htm

http://imgur.com/GY2K7WB

Found on Clickteam Fusion and on several Windows tools.

Windows MFC Color Dialog (square adaptation)

13x15 (192 colors, 143 unique)

http://www.functionx.com/visualc/controls/dlgmfccolor.htm

http://imgur.com/GY2K7WB

Found on Clickteam Fusion and on several Windows tools.

Windows XP MS Paint

14x2 (28 colors, 28 unique)

Write (Stylus Labs)

5x6 (29 colors, 29 unique)

http://www.styluslabs.com/

https://play.google.com/store/apps/details?id=com.styluslabs.write