#66e8f8

Color #66e8f8

A vivid, highly saturated light cyan.

Closest named color Dark Turquoise #00ced1 · ΔE 14.54 Nearest Tailwind class cyan-300 #53eafd · ΔE 1.3

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Conversions

HEX

#66e8f8

RGB

rgb(102, 232, 248)

HSL

hsl(186.6, 91.3%, 68.6%)

HSV / HSB

hsv(186.6, 58.9%, 97.3%)

CMYK

cmyk(58.9%, 6.5%, 0%, 2.7%)

LAB

lab(85.66, -31.17, -18.53)

LCH

lch(85.66, 36.26, 210.73)

OKLCH

oklch(86.4%, 0.1157, 206.32)

HWB

hwb(186.6, 40%, 2.7%)

Harmony colors

Complementary

#f87666

Analogous

#66f8bf

#66e8f8

#669ff8

Triadic

#66e8f8

#f866e8

#e8f866

Split-complementary

#66e8f8

#f8669f

#f8bf66

Tetradic

#66e8f8

#7666f8

#f87666

#e8f866

Square

#66e8f8

#bf66f8

#f87666

#9ff866

Shades

Color #66e8f8 mixed toward black.

#2ee0f5

#0ac8df

#0896a7

#056470

#033238

Tints

Color #66e8f8 mixed toward white.

#7fecf9

#99f0fa

#b2f3fc

#ccf7fd

#e5fbfe

Tones

Color #66e8f8 mixed toward gray.

#72deec

#7ed5e0

#8acbd3

#97c2c7

#a3b8bb

Accessibility

Aa White text on this color

1.45:1

Aa Black text on this color

14.46:1

Black text reads better on this background (14.46:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#aeaff4 · ΔE 29.5

Deuteranopia

#a79df3 · ΔE 33.1

Tritanopia

#71f1f1 · ΔE 5.7

Achromatopsia

#d6d6d6 · ΔE 22.6

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

Code

CSS

background-color: #66e8f8;

Tailwind (arbitrary value)

bg-[#66e8f8]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#66e8f8 (#66e8f8) is rgb(102, 232, 248) in RGB.

No, #66e8f8 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 #66e8f8, or check how it holds up for accessibility.

Generate a palette → Check contrast