#21C4BC Color

#21C4BC is rgb(33, 196, 188) in RGB and hsl(177, 71%, 45%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#21C4BC

HEX#21C4BC

RGBrgb(33, 196, 188)

HSLhsl(177, 71%, 45%)

HSVhsv(177, 83%, 77%)

OKLCHoklch(74.2% 0.123 189.5)

CMYKcmyk(83%, 0%, 4%, 23%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21C4BC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.17:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text9.69:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21C4BC based on color wheel relationships. Click any swatch for its full breakdown.

Base#21C4BC Complementary#C42129 Analogous#21C46B Analogous#217BC4 Triadic#BC21C4 Triadic#C4BC21

Tints & Shades

Lighter tints and darker shades of #21C4BC, useful for hover states, backgrounds, and text variants.

Tints

#32DCD4 #51E1DA #73E7E2 #92EDE8 #B5F2EF #D3F8F6

Shades

#1DAAA3 #18908A #147671 #10605C #0C4643 #072C2A

Use #21C4BC in Our Tools

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