#66b6bf

Color #66b6bf

A moderately saturated medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 9.93 Nearest Tailwind class cyan-500 #00b8db · ΔE 8.1

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

Conversions

HEX

#66b6bf

RGB

rgb(102, 182, 191)

HSL

hsl(186.1, 41%, 57.5%)

HSV / HSB

hsv(186.1, 46.6%, 74.9%)

CMYK

cmyk(46.6%, 4.7%, 0%, 25.1%)

LAB

lab(69.5, -22.12, -12.2)

LCH

lch(69.5, 25.26, 208.88)

OKLCH

oklch(72.9%, 0.0795, 204.99)

HWB

hwb(186.1, 40%, 25.1%)

Harmony colors

Complementary

#bf6f66

Analogous

#66bf9c

#66b6bf

#668abf

Triadic

#66b6bf

#bf66b6

#b6bf66

Split-complementary

#66b6bf

#bf668a

#bf9c66

Tetradic

#66b6bf

#6f66bf

#bf6f66

#b6bf66

Square

#66b6bf

#9c66bf

#bf6f66

#8abf66

Shades

Color #66b6bf mixed toward black.

#48a2ac

#3a828a

#2b6167

#1d4145

#0e2022

Tints

Color #66b6bf mixed toward white.

#80c2ca

#99ced4

#b3dbdf

#cce7ea

#e6f3f4

Tones

Color #66b6bf mixed toward gray.

#6eb0b8

#75aab0

#7ca4a9

#849ea1

#8b999a

Accessibility

Aa White text on this color

2.33:1

Aa Black text on this color

9.01:1

Black text reads better on this background (9.01:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#9090bd · ΔE 25.9

Deuteranopia

#8b85bc · ΔE 27.9

Tritanopia

#6cbbbb · ΔE 3.8

Achromatopsia

#aaaaaa · ΔE 19.4

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

Code

CSS

background-color: #66b6bf;

Tailwind (arbitrary value)

bg-[#66b6bf]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#66b6bf (#66b6bf) is rgb(102, 182, 191) in RGB.

No, #66b6bf 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.

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Contrast Checker

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

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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 #66b6bf, or check how it holds up for accessibility.

Generate a palette → Check contrast