Blender Daily writes:
Colorbox is an awesome new add-on that allows you to create, import and manage color palettes within Blender. It also has lots of extra features to improve and speed up your color workflow. Get 10% off with the coupon code "blenderdaily" until July 17!
Colorbox Features:
- Never have to copy and paste hex codes again
- Upload images or palette png's to extract their RGB values
- Save and label your colors in custom palettes
- Export anything to use elsewhere
- Organize your palettes into collections
- Convert any palette into a color ramp and add it directly to your node setup
- Use our new color picker tool to select the exact colors you are after with any image
- Use "The Swapper" to drive your scenes with color palettes and mix things up