#155B56 Color
#155B56 is rgb(21, 91, 86) in RGB and hsl(176, 63%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#155B56
HEX
#155B56RGB
rgb(21, 91, 86)HSL
hsl(176, 63%, 22%)HSV
hsv(176, 77%, 36%)OKLCH
oklch(42.8% 0.067 187.9)CMYK
cmyk(77%, 0%, 5%, 64%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #155B56 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.89:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.66:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #155B56 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #155B56, useful for hover states, backgrounds, and text variants.