#51A99E Color
#51A99E is rgb(81, 169, 158) in RGB and hsl(173, 35%, 49%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.
#51A99E
HEX
#51A99ERGB
rgb(81, 169, 158)HSL
hsl(173, 35%, 49%)HSV
hsv(173, 52%, 66%)OKLCH
oklch(67.7% 0.087 184.6)CMYK
cmyk(52%, 0%, 7%, 34%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51A99E background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.79:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.52:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51A99E based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51A99E, useful for hover states, backgrounds, and text variants.