Color

• Color Contrast Checker
  WCAG contrast for text/background pairs.
• HEX ↔ RGB
  Convert colors and preview.
• HEX ↔ HSL
  Convert HEX and HSL.
• Color Blend
  Mix two colors (linear sRGB option).
• Palette Generator
  Complement, triad, analogous.
• Contrast Matrix
  WCAG contrast grid for many colors.
• Shades & Tints
  Generate a color ramp from a base color.
• ΔE (CIEDE2000)
  Color difference (CIEDE2000).
• Relative Luminance
  Compute sRGB relative luminance (WCAG).
• Kelvin → RGB
  Convert color temperature to sRGB.
• RGB ↔ CMYK
  Convert between RGB and CMYK.
• CSS Named Colors
  Search MDN named colors list.
• HWB ↔ RGB
  Convert CSS HWB to RGB.