#21b3a9

Color #21b3a9

A moderately saturated medium cyan.

Closest named color Light Sea Green #20b2aa · ΔE 1.22 Nearest Tailwind class teal-500 #00bba7 · ΔE 3.9

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Conversions

HEX

#21b3a9

RGB

rgb(33, 179, 169)

HSL

hsl(175.9, 68.9%, 41.6%)

HSV / HSB

hsv(175.9, 81.6%, 70.2%)

CMYK

cmyk(81.6%, 0%, 5.6%, 29.8%)

LAB

lab(66.08, -38.17, -5.34)

LCH

lch(66.08, 38.54, 187.96)

OKLCH

oklch(69.4%, 0.115, 187.55)

HWB

hwb(175.9, 12.9%, 29.8%)

Harmony colors

Complementary

#b3212b

Analogous

#21b360

#21b3a9

#2174b3

Triadic

#21b3a9

#a921b3

#b3a921

Split-complementary

#21b3a9

#b32174

#b36021

Tetradic

#21b3a9

#212bb3

#b3212b

#b3a921

Square

#21b3a9

#6021b3

#b3212b

#74b321

Shades

Color #21b3a9 mixed toward black.

#1b958d

#167771

#105a55

#0b3c38

#051e1c

Tints

Color #21b3a9 mixed toward white.

#2dd8cd

#57e0d7

#81e8e1

#abf0eb

#d5f7f5

Tones

Color #21b3a9 mixed toward gray.

#2da79f

#399b94

#468f8a

#52827f

#5e7675

Accessibility

Aa White text on this color

2.6:1

Aa Black text on this color

8.09:1

Black text reads better on this background (8.09:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#7d7eab · ΔE 32.2

Deuteranopia

#756bac · ΔE 38

Tritanopia

#36adae · ΔE 4.6

Achromatopsia

#a1a1a1 · ΔE 23.6

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

Code

CSS

background-color: #21b3a9;

Tailwind (arbitrary value)

bg-[#21b3a9]

Related colors

Light Sea Green #20b2aa

Medium Turquoise #48d1cc

Turquoise #40e0d0

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#21b3a9 (#21b3a9) is rgb(33, 179, 169) in RGB.

No, #21b3a9 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.

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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 #21b3a9, or check how it holds up for accessibility.

Generate a palette → Check contrast