#518181

Color #518181

A muted medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 11.22 Nearest Tailwind class mist-500 #67787c · ΔE 9.5

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Conversions

HEX

#518181

RGB

rgb(81, 129, 129)

HSL

hsl(180, 22.9%, 41.2%)

HSV / HSB

hsv(180, 37.2%, 50.6%)

CMYK

cmyk(37.2%, 0%, 0%, 49.4%)

LAB

lab(50.73, -16.19, -5.16)

LCH

lch(50.73, 16.99, 197.68)

OKLCH

oklch(56.9%, 0.0522, 195.79)

HWB

hwb(180, 31.8%, 49.4%)

Harmony colors

Complementary

#815151

Analogous

#518169

#518181

#516981

Triadic

#518181

#815181

#818151

Split-complementary

#518181

#815169

#816951

Tetradic

#518181

#515181

#815151

#818151

Square

#518181

#695181

#815151

#698151

Shades

Color #518181 mixed toward black.

#446c6c

#365656

#294141

#1b2b2b

#0e1616

Tints

Color #518181 mixed toward white.

#659f9f

#84b2b2

#a3c5c5

#c2d8d8

#e0ecec

Tones

Color #518181 mixed toward gray.

#557d7d

#597979

#5d7575

#617171

#656d6d

Accessibility

Aa White text on this color

4.37:1

Aa Black text on this color

4.81:1

Black text reads better on this background (4.81:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#696a81 · ΔE 22.2

Deuteranopia

#666381 · ΔE 25.4

Tritanopia

#548181 · ΔE 0.6

Achromatopsia

#797979 · ΔE 15.9

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #518181;

Tailwind (arbitrary value)

bg-[#518181]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#518181 (#518181) is rgb(81, 129, 129) in RGB.

No, #518181 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #518181, or check how it holds up for accessibility.

Generate a palette → Check contrast