#66d8dd

Color #66d8dd

A moderately saturated light cyan.

Closest named color Medium Turquoise #48d1cc · ΔE 8.34 Nearest Tailwind class cyan-300 #53eafd · ΔE 5.9

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Conversions

HEX

#66d8dd

RGB

rgb(102, 216, 221)

HSL

hsl(182.5, 63.6%, 63.3%)

HSV / HSB

hsv(182.5, 53.8%, 86.7%)

CMYK

cmyk(53.8%, 2.3%, 0%, 13.3%)

LAB

lab(80.27, -30.86, -12.33)

LCH

lch(80.27, 33.23, 201.78)

OKLCH

oklch(81.8%, 0.1036, 199.22)

HWB

hwb(182.5, 40%, 13.3%)

Harmony colors

Complementary

#dd6b66

Analogous

#66dda6

#66d8dd

#669cdd

Triadic

#66d8dd

#dd66d8

#d8dd66

Split-complementary

#66d8dd

#dd669c

#dda666

Tetradic

#66d8dd

#6b66dd

#dd6b66

#d8dd66

Square

#66d8dd

#a666dd

#dd6b66

#9cdd66

Shades

Color #66d8dd mixed toward black.

#3acdd3

#27aab0

#1d8084

#145558

#0a2b2c

Tints

Color #66d8dd mixed toward white.

#7fdee3

#99e5e8

#b2ebee

#ccf2f4

#e5f8f9

Tones

Color #66d8dd mixed toward gray.

#70cfd3

#7ac6c9

#84bdbf

#8eb4b5

#97abab

Accessibility

Aa White text on this color

1.69:1

Aa Black text on this color

12.43:1

Black text reads better on this background (12.43:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#a4a5dc · ΔE 29.1

Deuteranopia

#9e95dc · ΔE 32.7

Tritanopia

#70dbdb · ΔE 1.9

Achromatopsia

#c7c7c7 · ΔE 22.2

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

Code

CSS

background-color: #66d8dd;

Tailwind (arbitrary value)

bg-[#66d8dd]

Related colors

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Frequently asked questions

#66d8dd (#66d8dd) is rgb(102, 216, 221) in RGB.

No, #66d8dd 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 #66d8dd, or check how it holds up for accessibility.

Generate a palette → Check contrast