Colorkit

Colorkit generates color scales by mixing the shades between two colors. Enter a start and end color, and choose the number of blend steps, to reveal the stepped gradient..

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Esoteric Color Palette Generation Library
Make your designs alive. Shadergradient is a new tool to create beautiful, moving gradients
Accessible color combinations
OKLCH is a new way to encode colors (like hex, RGBA, or HSL)
Visualize your color palettes on a real website for the first time.
Create translucent versions of your colors. Alphredo generates translucent (alpha) colors looking the same as their opaque counterparts when placed against the same background.
An interactive guide to color & contrast.
A database of color & images for artists, designers, photographers, printers or curious people and my personal perception of color