#21D4A4 Color

#21D4A4 is rgb(33, 212, 164) in RGB and hsl(164, 73%, 48%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#21D4A4

HEX#21D4A4

RGBrgb(33, 212, 164)

HSLhsl(164, 73%, 48%)

HSVhsv(164, 84%, 83%)

OKLCHoklch(77.5% 0.151 168.4)

CMYKcmyk(84%, 0%, 23%, 17%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21D4A4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.91:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text11.02:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21D4A4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21D4A4 Complementary#D42151 Analogous#21D44B Analogous#21AAD4 Triadic#A421D4 Triadic#D4A421

Tints & Shades

Lighter tints and darker shades of #21D4A4, useful for hover states, backgrounds, and text variants.

Tints

#38E0B3 #57E5BF #76EACB #9AEFD8 #B8F4E4 #D7F9F0

Shades

#1DB990 #189A78 #148063 #10654F #0C4B3A #072C22

Use #21D4A4 in Our Tools

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