#21A1A1 Color

#21A1A1 is rgb(33, 161, 161) in RGB and hsl(180, 66%, 38%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#21A1A1

HEX#21A1A1

RGBrgb(33, 161, 161)

HSLhsl(180, 66%, 38%)

HSVhsv(180, 80%, 63%)

OKLCHoklch(64.5% 0.103 194.9)

CMYKcmyk(80%, 0%, 0%, 37%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21A1A1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.15:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text6.68:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #21A1A1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21A1A1 Complementary#A12121 Analogous#21A161 Analogous#2161A1 Triadic#A121A1 Triadic#A1A121

Tints & Shades

Lighter tints and darker shades of #21A1A1, useful for hover states, backgrounds, and text variants.

Tints

#29C7C7 #41D8D8 #67E0E0 #88E7E7 #AFEFEF #D0F5F5

Shades

#1D8C8C #187777 #146161 #105050 #0C3B3B #082626

Use #21A1A1 in Our Tools

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