#66bdbd

Color #66bdbd

A muted medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 12.21 Nearest Tailwind class teal-500 #00bba7 · ΔE 9.4

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Conversions

HEX

#66bdbd

RGB

rgb(102, 189, 189)

HSL

hsl(180, 39.7%, 57.1%)

HSV / HSB

hsv(180, 46%, 74.1%)

CMYK

cmyk(46%, 0%, 0%, 25.9%)

LAB

lab(71.48, -26.15, -8.14)

LCH

lch(71.48, 27.39, 197.29)

OKLCH

oklch(74.4%, 0.0842, 195.51)

HWB

hwb(180, 40%, 25.9%)

Harmony colors

Complementary

#bd6666

Analogous

#66bd92

#66bdbd

#6692bd

Triadic

#66bdbd

#bd66bd

#bdbd66

Split-complementary

#66bdbd

#bd6692

#bd9266

Tetradic

#66bdbd

#6666bd

#bd6666

#bdbd66

Square

#66bdbd

#9266bd

#bd6666

#92bd66

Shades

Color #66bdbd mixed toward black.

#49aaaa

#3b8888

#2c6666

#1d4444

#0f2222

Tints

Color #66bdbd mixed toward white.

#80c8c8

#99d3d3

#b3dede

#cce9e9

#e6f4f4

Tones

Color #66bdbd mixed toward gray.

#6db6b6

#75afaf

#7ca7a7

#83a0a0

#8a9999

Accessibility

Aa White text on this color

2.19:1

Aa Black text on this color

9.58:1

Black text reads better on this background (9.58:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#9495bd · ΔE 27.3

Deuteranopia

#8f88bd · ΔE 30.3

Tritanopia

#6dbdbd · ΔE 0.9

Achromatopsia

#afafaf · ΔE 20.6

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

Code

CSS

background-color: #66bdbd;

Tailwind (arbitrary value)

bg-[#66bdbd]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#66bdbd (#66bdbd) is rgb(102, 189, 189) in RGB.

No, #66bdbd 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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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 #66bdbd, or check how it holds up for accessibility.

Generate a palette → Check contrast