#57B257 Color
#57B257 is rgb(87, 178, 87) in RGB and hsl(120, 37%, 52%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#57B257
HEX
#57B257RGB
rgb(87, 178, 87)HSL
hsl(120, 37%, 52%)HSV
hsv(120, 51%, 70%)OKLCH
oklch(68.6% 0.155 143.7)CMYK
cmyk(51%, 0%, 51%, 30%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #57B257 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.65:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.91:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #57B257 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #57B257, useful for hover states, backgrounds, and text variants.