#51d5e6

Color #51d5e6

A vivid, highly saturated light cyan.

Closest named color Dark Turquoise #00ced1 · ΔE 11.59 Nearest Tailwind class cyan-400 #00d3f2 · ΔE 4

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Conversions

HEX

#51d5e6

RGB

rgb(81, 213, 230)

HSL

hsl(186.8, 74.9%, 61%)

HSV / HSB

hsv(186.8, 64.8%, 90.2%)

CMYK

cmyk(64.8%, 7.4%, 0%, 9.8%)

LAB

lab(79.07, -30.56, -19)

LCH

lch(79.07, 35.98, 211.87)

OKLCH

oklch(80.8%, 0.1154, 207.16)

HWB

hwb(186.8, 31.8%, 9.8%)

Harmony colors

Complementary

#e66251

Analogous

#51e6ac

#51d5e6

#518be6

Triadic

#51d5e6

#e651d5

#d5e651

Split-complementary

#51d5e6

#e6518b

#e6ac51

Tetradic

#51d5e6

#6251e6

#e66251

#d5e651

Square

#51d5e6

#ac51e6

#e66251

#8be651

Shades

Color #51d5e6 mixed toward black.

#24cae0

#1aa4b5

#147b88

#0d525b

#07292d

Tints

Color #51d5e6 mixed toward white.

#6edcea

#8be3ee

#a8eaf3

#c5f1f7

#e2f8fb

Tones

Color #51d5e6 mixed toward gray.

#5dccda

#6ac2cd

#76b8c1

#83afb4

#8fa5a8

Accessibility

Aa White text on this color

1.75:1

Aa Black text on this color

12.01:1

Black text reads better on this background (12.01:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#9c9ee2 · ΔE 29.3

Deuteranopia

#958be1 · ΔE 33.3

Tritanopia

#5edfde · ΔE 6.6

Achromatopsia

#c4c4c4 · ΔE 22.5

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

Code

CSS

background-color: #51d5e6;

Tailwind (arbitrary value)

bg-[#51d5e6]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#51d5e6 (#51d5e6) is rgb(81, 213, 230) in RGB.

No, #51d5e6 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

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

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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 #51d5e6, or check how it holds up for accessibility.

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