#66CA3F Color
#66CA3F is rgb(102, 202, 63) in RGB and hsl(103, 57%, 52%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66CA3F
HEX
#66CA3FRGB
rgb(102, 202, 63)HSL
hsl(103, 57%, 52%)HSV
hsv(103, 69%, 79%)OKLCH
oklch(75.1% 0.198 138.3)CMYK
cmyk(50%, 0%, 69%, 21%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66CA3F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.08:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.08:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66CA3F based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66CA3F, useful for hover states, backgrounds, and text variants.