Key capabilities
- Format conversion
- Color ramp
- Contrast check
- Color harmony
Color Tool
Enter HEX, RGB, HSL, or HSV colors to convert formats, generate ramps and harmonies, and check WCAG text contrast.
Color input
Supports #14B8A6, rgb(20, 184, 166), hsl(174, 80%, 40%), and hsv(174, 89%, 72%).
100%
Named palette
Save reusable colors and include them in palette exports.
Color preview
#14B8A6
Color ramp
Click any swatch to copy its HEX value.
Contrast
Check whether the current color and background meet WCAG.
Sample text
Use this to inspect foreground readability on the selected background.
Contrast ratio
2.49:1
AAFail
AAAFail
Large textFail
Gradient generator
Choose start and end colors plus an angle to generate copyable CSS gradients.
135deg #14B8A6#B81427
linear-gradient(135deg, #14B8A6, #B81427)
135deg
Saved gradients
0/12Color harmony
Generate complementary, analogous, and triadic colors from the current hue.
Capabilities
Format conversion
Color ramp
Contrast check
Color harmony
Use cases
Tune interface colors
Generate theme tokens
Check text readability
About Color Tool
Convert color formats and check contrast. Enter HEX, RGB, HSL, or HSV colors to convert formats, generate ramps and harmonies, and check WCAG text contrast. The core workflow is designed to run in your current browser.
Useful for
- Tune interface colors
- Generate theme tokens
- Check text readability
Frequently asked questions
Is Color Tool free to use online?
Yes. Color Tool opens in a modern browser and does not require desktop software installation.
What is Color Tool useful for?
Common use cases include Tune interface colors; Generate theme tokens.
Is my input or file uploaded?
The core processing workflow is designed to run locally in the browser. Key capabilities include Format conversion, Color ramp, Contrast check; account, comments, and anonymous analytics may still create normal site requests.
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