#51b7b5

Color #51b7b5

A moderately saturated medium cyan.

Closest named color Light Sea Green #20b2aa · ΔE 8.36 Nearest Tailwind class teal-500 #00bba7 · ΔE 7.5

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#51b7b5

RGB

rgb(81, 183, 181)

HSL

hsl(178.8, 41.5%, 51.8%)

HSV / HSB

hsv(178.8, 55.7%, 71.8%)

CMYK

cmyk(55.7%, 0%, 1.1%, 28.2%)

LAB

lab(68.71, -29.85, -7.95)

LCH

lch(68.71, 30.89, 194.91)

OKLCH

oklch(71.9%, 0.0944, 193.48)

HWB

hwb(178.8, 31.8%, 28.2%)

Harmony colors

Complementary

#b75153

Analogous

#51b782

#51b7b5

#5186b7

Triadic

#51b7b5

#b551b7

#b7b551

Split-complementary

#51b7b5

#b75186

#b78251

Tetradic

#51b7b5

#5153b7

#b75153

#b7b551

Square

#51b7b5

#8251b7

#b75153

#86b751

Shades

Color #51b7b5 mixed toward black.

#409c9a

#347d7b

#275d5c

#1a3e3e

#0d1f1f

Tints

Color #51b7b5 mixed toward white.

#6ec3c1

#8bcfce

#a8dbda

#c5e7e6

#e2f3f3

Tones

Color #51b7b5 mixed toward gray.

#5aafad

#62a6a5

#6b9e9d

#739594

#7c8d8c

Accessibility

Aa White text on this color

2.39:1

Aa Black text on this color

8.79:1

Black text reads better on this background (8.79:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#898ab5 · ΔE 28.9

Deuteranopia

#847bb6 · ΔE 32.9

Tritanopia

#5ab6b6 · ΔE 1.3

Achromatopsia

#a8a8a8 · ΔE 21.8

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

Code

CSS

background-color: #51b7b5;

Tailwind (arbitrary value)

bg-[#51b7b5]

Related colors

Medium Turquoise #48d1cc

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Frequently asked questions

#51b7b5 (#51b7b5) is rgb(81, 183, 181) in RGB.

No, #51b7b5 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.

Try it →

Build something with this color

Generate a full palette from #51b7b5, or check how it holds up for accessibility.

Generate a palette → Check contrast