#EFFC59 Color
#EFFC59 is rgb(239, 252, 89) in RGB and hsl(65, 96%, 67%) in HSL. The closest CSS named color is Khaki. Black text is most readable on this background.
#EFFC59
HEX
#EFFC59RGB
rgb(239, 252, 89)HSL
hsl(65, 96%, 67%)HSV
hsv(65, 65%, 99%)OKLCH
oklch(95.2% 0.181 113.7)CMYK
cmyk(5%, 0%, 65%, 1%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #EFFC59 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.12:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text18.74:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #EFFC59 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #EFFC59, useful for hover states, backgrounds, and text variants.