SBF • Contrast Analyzer • Color Picker • Optimizer

Foreground Color + 

sRGB fallback color

Background Color + 

sRGB fallback color

Contrast + 

Standard – WCAG 2 AAA
  • Good – ratio ≥ 7.0:1
  • Okay – ratio ≥ 4.5:1
  • Poor – ratio < 4.5:1
Standard – WCAG 2 AA
  • Good – ratio ≥ 4.5:1
  • Okay – ratio ≥ 3.0:1
  • Poor – ratio < 3.0:1
Standard – APCA
  • PreferredLc ≥ 90
  • GoodLc ≥ 75
  • OkayLc ≥ 60
  • PoorLc ≥ 45
  • AvoidLc < 45
Contrast Ratio:
Fallback Contrast: 
9.3:1
WCAG 2 AAA (≥ 7.0:1)
WCAG 2 AAA (18pt+) (≥ 4.5:1)
WCAG 2 AA (≥ 4.5:1)
WCAG 2 AA (18pt+) (≥ 3.0:1)
Lightness Contrast:
APCA Lc ≥ 90
APCA Lc ≥ 75
APCA Lc ≥ 60
APCA Lc ≥ 45
Equivalent Foreground Color
Color space setting
sRGB

CSS Color Palette + 

Drag & Drop + 

Color Scheme +