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Colors
#21FFE4

#21FFE4

Every representation of #21FFE4, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.7744
Brightness: 186 / 255
Reads as: A light color — pair it with dark text.

Color formats

HEX: #21ffe4
RGB: rgb(33, 255, 228)
RGBA: rgba(33, 255, 228, 1)
CMYK: cmyk(87%, 0%, 11%, 0%)
HSV: hsv(173°, 87%, 100%)
HSL: hsl(173, 100%, 56%)
LAB: lab(90.52% -54.49 -0.98)
XYZ: xyz(50.38, 77.44, 85.68)

Accessibility

WCAG 2 contrast for #21FFE4 as a text color on the two most common surfaces.

On white

Fail

The quick brown fox jumps over the lazy dog.

Contrast ratio: 1.27:1

AA normal textFail
AA large textFail
AAA normal textFail
AAA large textFail
UI componentsFail

On black

AAA

The quick brown fox jumps over the lazy dog.

Contrast ratio: 16.49:1

AA normal textPass
AA large textPass
AAA normal textPass
AAA large textPass
UI componentsPass

Related colors

Shades (darker)

#00f0d3 #00c0a9 #00907e #006054 #00302a

Tints (lighter)

#46ffe9 #6bffed #90fff2 #b5fff6 #dafffb

Harmonies (complementary, analogous, triadic)

#ff213c #21ff75 #21abff #e421ff #ffe421

#21FFE4 Color | ColorForge