#288F40 Color
#288F40 is rgb(40, 143, 64) in RGB and hsl(134, 56%, 36%) in HSL. The closest CSS named color is SeaGreen. Black text is most readable on this background.
#288F40
HEX
#288F40RGB
rgb(40, 143, 64)HSL
hsl(134, 56%, 36%)HSV
hsv(134, 72%, 56%)OKLCH
oklch(57.4% 0.149 147.4)CMYK
cmyk(72%, 0%, 55%, 44%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #288F40 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4.12:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text5.09:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #288F40 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #288F40, useful for hover states, backgrounds, and text variants.