#21FD42 Color

#21FD42 is rgb(33, 253, 66) in RGB and hsl(129, 98%, 56%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.

#21FD42

HEX#21FD42

RGBrgb(33, 253, 66)

HSLhsl(129, 98%, 56%)

HSVhsv(129, 87%, 99%)

OKLCHoklch(86.5% 0.273 144.1)

CMYKcmyk(87%, 0%, 74%, 1%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21FD42 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.38:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text15.19:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21FD42 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21FD42 Complementary#FD21DC Analogous#6EFD21 Analogous#21FDB0 Triadic#4221FD Triadic#FD4221

Tints & Shades

Lighter tints and darker shades of #21FD42, useful for hover states, backgrounds, and text variants.

Tints

#3FFD5C #5DFD75 #7CFE8F #9AFEA9 #B8FEC3 #D7FFDD

Shades

#02F727 #02CF21 #02AC1B #018315 #01600F #013809

Use #21FD42 in Our Tools

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