CYAN

Cyan

#00FFFF

Conversions

HEX#00FFFF

RGBrgb(0, 255, 255)

HSLhsl(180, 100%, 50%)

HSVhsv(180, 100%, 100%)

CMYKcmyk(100%, 0%, 0%, 0%)

Copy CSS

color: #00ffff;
/* rgb  */ color: rgb(0, 255, 255);
/* hsl  */ color: hsl(180, 100%, 50%);

Contrast

On whiteFail · 1.25 : 1

On ink blackPass · 15.26 : 1

Shades

Tints

Pairings

Complementary
#FF0000

Triadic
#FF00FF

Triadic
#FFFF00

About Cyan

Cyan is the hex color #00FFFF, which translates to rgb(0, 255, 255) in RGB and hsl(180, 100%, 50%) in HSL. On the color wheel it sits at 180 degrees, with a saturation of 100 percent and a lightness of 50 percent. That combination gives Cyan a saturated mid tone: strong enough for buttons and links, still calm enough for larger areas.

How Cyan compares

Cyan is exactly the CSS keyword aqua, so you can write the keyword instead of the hex and get an identical result. In the Tailwind CSS 4.3.1 palette the nearest token is teal-300 (#46ECD5), at a distance of 14.4. Inside this library the closest neighbour is Turquoise Blue at 8.9. Sorted by lightness, Cyan is number 9 of the 18 cyan colors here.

Text on Cyan

2 of the five common text colors below clear WCAG AA for normal text on Cyan, led by Ink black at 15.26:1. The ratios are computed with the WCAG relative luminance formula, the same one the contrast checker uses, which opens with Cyan already loaded as the background.

Contrast of common text colors on Cyan. AA normal text needs 4.5:1, AA large text and non-text elements need 3:1, AAA normal text needs 7:1.
Text color	Ratio	AA normal	AA large	AAA normal
White #FFFFFF	1.25:1	Fail	Fail	Fail
Ink black #0F0F12	15.26:1	Pass	Pass	Pass
Mid grey #6B7280	3.86:1	Fail	Pass	Fail
Dark grey #374151	8.22:1	Pass	Pass	Pass
Light grey #E5E7EB	1.01:1	Fail	Fail	Fail

Building a palette around Cyan

The pairings above give you three classic starting points. The complementary color sits opposite on the wheel and works well as an accent that draws the eye. The analogous colors sit right beside Cyan for calmer, harmonious combinations. The triadic pair spaces three hues evenly for a balanced, energetic palette. Open any swatch to explore it as its own color.

Full values for Cyan

Format	Value
HEX	#00FFFF
RGB	rgb(0, 255, 255)
HSL	hsl(180, 100%, 50%)
HSV	hsv(180, 100%, 100%)
CMYK	cmyk(100%, 0%, 0%, 0%)
OKLCH	oklch(90.54% 0.1546 194.77)
CIELAB	lab(91.11 -48.09 -14.13)

Use Cyan in a tool

Nearby colors

Last updated 5 August 2026 by FusionStudios. Every value on this page is computed by the same functions the tools use. How this is calculated.