#21D4B6 Color
#21D4B6 is rgb(33, 212, 182) in RGB and hsl(170, 73%, 48%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.
#21D4B6
HEX
#21D4B6RGB
rgb(33, 212, 182)HSL
hsl(170, 73%, 48%)HSV
hsv(170, 84%, 83%)OKLCH
oklch(78% 0.14 177.2)CMYK
cmyk(84%, 0%, 14%, 17%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #21D4B6 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.88:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.16:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #21D4B6 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #21D4B6, useful for hover states, backgrounds, and text variants.