#21C4C4 Color

#21C4C4 is rgb(33, 196, 196) in RGB and hsl(180, 71%, 45%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#21C4C4
HEX#21C4C4
RGBrgb(33, 196, 196)
HSLhsl(180, 71%, 45%)
HSVhsv(180, 83%, 77%)
OKLCHoklch(74.5% 0.122 194.9)
CMYKcmyk(83%, 0%, 0%, 23%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21C4C4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.15:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.76:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21C4C4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21C4C4Complementary#C42121Analogous#21C473Analogous#2173C4Triadic#C421C4Triadic#C4C421

Tints & Shades

Lighter tints and darker shades of #21C4C4, useful for hover states, backgrounds, and text variants.

Use #21C4C4 in Our Tools

Hex to RGBHex to HSLHex to CMYKHex to PantoneRGBA to Hex