#21FD12 Color
#21FD12 is rgb(33, 253, 18) in RGB and hsl(116, 98%, 53%) in HSL. The closest CSS named color is Lime. Black text is most readable on this background.
#21FD12
HEX
#21FD12RGB
rgb(33, 253, 18)HSL
hsl(116, 98%, 53%)HSV
hsv(116, 93%, 99%)OKLCH
oklch(86.3% 0.289 142.3)CMYK
cmyk(87%, 0%, 93%, 1%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #21FD12 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.39:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text15.12:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #21FD12 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #21FD12, useful for hover states, backgrounds, and text variants.