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Colors
#21BBB4

#21BBB4

Every representation of #21BBB4, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.3916
Brightness: 140 / 255
Reads as: A light color — pair it with dark text.

Color formats

HEX: #21bbb4
RGB: rgb(33, 187, 180)
RGBA: rgba(33, 187, 180, 1)
CMYK: cmyk(82%, 0%, 4%, 27%)
HSV: hsv(177°, 82%, 73%)
HSL: hsl(177, 70%, 43%)
LAB: lab(68.86% -38.61 -7.29)
XYZ: xyz(26.63, 39.16, 49.33)

Accessibility

WCAG 2 contrast for #21BBB4 as a text color on the two most common surfaces.

On white

Fail

The quick brown fox jumps over the lazy dog.

Contrast ratio: 2.38:1

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: 8.83:1

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

Related colors

Shades (darker)

#1c9c96 #167d78 #105e5a #0b3e3c #051f1e

Tints (lighter)

#32dbd3 #5be2dc #84e9e5 #adf1ed #d6f8f6

Harmonies (complementary, analogous, triadic)

#bb2128 #21bb67 #2175bb #b421bb #bbb421

#21BBB4 Color | ColorForge