#21D4CE Color

#21D4CE is rgb(33, 212, 206) in RGB and hsl(178, 73%, 48%) in HSL. The closest CSS named color is Turquoise. Black text is most readable on this background.

#21D4CE

HEX#21D4CE

RGBrgb(33, 212, 206)

HSLhsl(178, 73%, 48%)

HSVhsv(178, 84%, 83%)

OKLCHoklch(78.8% 0.131 191.1)

CMYKcmyk(84%, 0%, 3%, 17%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21D4CE background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.85:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text11.37:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21D4CE based on color wheel relationships. Click any swatch for its full breakdown.

Base#21D4CE Complementary#D42127 Analogous#21D474 Analogous#2180D4 Triadic#CE21D4 Triadic#D4CE21

Tints & Shades

Lighter tints and darker shades of #21D4CE, useful for hover states, backgrounds, and text variants.

Tints

#38E0DA #57E5E0 #76EAE6 #9AEFEC #B8F4F2 #D7F9F8

Shades

#1DB9B4 #189A96 #14807C #106563 #0C4B49 #072C2B

Use #21D4CE in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex