• Free forever
  • No sign-up
  • Instant results

Color Archives

All Color Calculators

HEX → RGB / HSL
Full hex color conversion
RGB
HSL
RGB → HEX
RGB values to hex code
HEX value
Contrast Ratio
WCAG accessibility checker
Contrast ratio
WCAG grade
Opacity → HEX Alpha
% opacity to two-digit hex suffix
HEX alpha
Usage example
Tint / Shade
Lighten or darken a hex colour
Result
Positive = tint (lighter) · Negative = shade (darker)
CSS Gradient Generator
Linear & radial gradient builder
CSS output
Color Blindness Simulator
How your color looks to others
Normal vision
Deuteranopia (red-green)
Protanopia (red blind)
Tritanopia (blue blind)
Color Harmony
Complementary, triadic & analogous
Complementary (180°)
Triadic (120° / 240°)
Analogous (±30°)