Color & gradient tools

Palettes, contrast checkers, and gradient makers for store screenshots and UI.

Color extractPull a palette from a screenshot Gradient generatorMake gradient backgrounds for shots 色彩对比度检查色彩对比度检查 — design / store-listing resource. See site for details.

Coolors: color, free tier. See site for details.

Adobe Color: color, free tier. See site for details.

Color Hunt: color, free tier. See site for details.

Khroma: color, free tier. See site for details.

Realtime Colors

Realtime Colors: color, free tier. See site for details.

Huemint: color, free tier. See site for details.

Material Theme Builder

Material Theme Builder: free tier. See site for details.

Radix Colors: free tier. See site for details.

Tailwind Colors

Tailwind Colors: free tier. See site for details.

UI Colors: color, free tier. See site for details.

Contrast Checker（WebAIM）

Contrast Checker（WebAIM）: free tier. See site for details.

Coolors Gradient

Coolors Gradient: color, free tier. See site for details.

uiGradients: color, free tier. See site for details.

Grabient: color, free tier. See site for details.

zhongguose.com — design / store-listing resource. See site for details.

Nippon Colors: color, free tier. See site for details.

Colormind: color, free tier. See site for details.

Paletton: color, free tier. See site for details.

Happy Hues: color, free tier. See site for details.