Color #555b55
A nearly neutral, gray-leaning dark green.
Conversions
#555b55
rgb(85, 91, 85)
hsl(120, 3.4%, 34.5%)
hsv(120, 6.6%, 35.7%)
cmyk(6.6%, 0%, 6.6%, 64.3%)
lab(37.97, -3.65, 2.64)
lch(37.97, 4.5, 144.12)
oklch(46.4%, 0.0121, 145.39)
hwb(120, 33.3%, 64.3%)
Harmony colors
Accessibility
White text reads better on this background (6.97:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.
Under color vision deficiencies
Protanopia
#585856 · ΔE 4.4
Deuteranopia
#575757 · ΔE 5.4
Tritanopia
#555858 · ΔE 4.2
Achromatopsia
#595959 · ΔE 5.3
Left half is the original, right half is the simulated appearance. See all 8 vision types →
Code
background-color: #555b55;
bg-[#555b55]
Related colors
Frequently asked questions
#555b55 (#555b55) is rgb(85, 91, 85) in RGB.
No, #555b55 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.
Related tools
HEX to RGB Converter
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Try it → AccessibilityContrast Checker
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Try it → GeneratorsPalette Generator
Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.
Try it →Build something with this color
Generate a full palette from #555b55, or check how it holds up for accessibility.