#21DE5A Color

#21DE5A is rgb(33, 222, 90) in RGB and hsl(138, 74%, 50%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.

#21DE5A

HEX#21DE5A

RGBrgb(33, 222, 90)

HSLhsl(138, 74%, 50%)

HSVhsv(138, 85%, 87%)

OKLCHoklch(78.8% 0.225 147.3)

CMYKcmyk(85%, 0%, 59%, 13%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21DE5A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.8:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text11.66:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21DE5A based on color wheel relationships. Click any swatch for its full breakdown.

Base#21DE5A Complementary#DE21A5 Analogous#47DE21 Analogous#21DEB8 Triadic#5A21DE Triadic#DE5A21

Tints & Shades

Lighter tints and darker shades of #21DE5A, useful for hover states, backgrounds, and text variants.

Tints

#40E271 #5FE788 #7EEC9F #99F0B3 #B8F4CA #D7F9E1

Shades

#1DBF4D #19A442 #148536 #106A2B #0B4B1F #073114

Use #21DE5A in Our Tools

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