#51C8C4 Color
#51C8C4 is rgb(81, 200, 196) in RGB and hsl(178, 52%, 55%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#51C8C4
HEX
#51C8C4RGB
rgb(81, 200, 196)HSL
hsl(178, 52%, 55%)HSV
hsv(178, 60%, 78%)OKLCH
oklch(76.5% 0.106 192.1)CMYK
cmyk(60%, 0%, 2%, 22%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51C8C4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.02:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.41:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51C8C4 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51C8C4, useful for hover states, backgrounds, and text variants.