#66F542 Color

#66F542 is rgb(102, 245, 66) in RGB and hsl(108, 90%, 61%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.

#66F542

HEX#66F542

RGBrgb(102, 245, 66)

HSLhsl(108, 90%, 61%)

HSVhsv(108, 73%, 96%)

OKLCHoklch(85.9% 0.246 140.1)

CMYKcmyk(58%, 0%, 73%, 4%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66F542 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.43:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text14.7:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66F542 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66F542 Complementary#D142F5 Analogous#BFF542 Analogous#42F578 Triadic#4266F5 Triadic#F54266

Tints & Shades

Lighter tints and darker shades of #66F542, useful for hover states, backgrounds, and text variants.

Tints

#79F65A #91F877 #A5F990 #B8FAA8 #CCFCC0 #E4FDDD

Shades

#46F31B #35DA0B #2BB309 #218807 #176105 #0E3A03

Use #66F542 in Our Tools

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