#66fcff

Color #66fcff

A vivid, highly saturated light cyan.

Closest named color Aqua #00ffff · ΔE 9.54 Nearest Tailwind class cyan-300 #53eafd · ΔE 6.4

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

Conversions

HEX

#66fcff

RGB

rgb(102, 252, 255)

HSL

hsl(181.2, 100%, 70%)

HSV / HSB

hsv(181.2, 60%, 100%)

CMYK

cmyk(60%, 1.2%, 0%, 0%)

LAB

lab(91.53, -38.59, -13.37)

LCH

lch(91.53, 40.84, 199.11)

OKLCH

oklch(91.3%, 0.1266, 197.05)

HWB

hwb(181.2, 40%, 0%)

Harmony colors

Complementary

#ff6966

Analogous

#66ffb6

#66fcff

#66afff

Triadic

#66fcff

#ff66fc

#fcff66

Split-complementary

#66fcff

#ff66af

#ffb666

Tetradic

#66fcff

#6966ff

#ff6966

#fcff66

Square

#66fcff

#b666ff

#ff6966

#afff66

Shades

Color #66fcff mixed toward black.

#2bfbff

#00e9ee

#00afb3

#007577

#003a3b

Tints

Color #66fcff mixed toward white.

#80fcff

#99fdff

#b3fdff

#ccfeff

#e5feff

Tones

Color #66fcff mixed toward gray.

#73f0f2

#7fe3e5

#8cd7d9

#99cbcc

#a6bfbf

Accessibility

Aa White text on this color

1.24:1

Aa Black text on this color

16.93:1

Black text reads better on this background (16.93:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#bbbcfe · ΔE 32.3

Deuteranopia

#b3a7fe · ΔE 36.9

Tritanopia

#74fefe · ΔE 1.3

Achromatopsia

#e7e7e7 · ΔE 23.8

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

Code

CSS

background-color: #66fcff;

Tailwind (arbitrary value)

bg-[#66fcff]

Related colors

Dark Turquoise #00ced1

Cadet Blue #5f9ea0

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Frequently asked questions

#66fcff (#66fcff) is rgb(102, 252, 255) in RGB.

No, #66fcff 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #66fcff, or check how it holds up for accessibility.

Generate a palette → Check contrast