#EFFF61 Color
#EFFF61 is rgb(239, 255, 97) in RGB and hsl(66, 100%, 69%) in HSL. The closest CSS named color is Khaki. Black text is most readable on this background.
#EFFF61
HEX
#EFFF61RGB
rgb(239, 255, 97)HSL
hsl(66, 100%, 69%)HSV
hsv(66, 62%, 100%)OKLCH
oklch(95.9% 0.179 114.7)CMYK
cmyk(6%, 0%, 62%, 0%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #EFFF61 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.1:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text19.15:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #EFFF61 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #EFFF61, useful for hover states, backgrounds, and text variants.