#155E66 Color
#155E66 is rgb(21, 94, 102) in RGB and hsl(186, 66%, 24%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#155E66
HEX
#155E66RGB
rgb(21, 94, 102)HSL
hsl(186, 66%, 24%)HSV
hsv(186, 79%, 40%)OKLCH
oklch(44.3% 0.069 206)CMYK
cmyk(79%, 8%, 0%, 60%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #155E66 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.43:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.82:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #155E66 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #155E66, useful for hover states, backgrounds, and text variants.