Information about #21B0A1 color

#21B0A1 color image

Basic facts about this digital color

In the Register's classification, #21B0A1 belongs to the Cyan Color Family, featuring High Saturation and Light brightness. The mix behind it: rgb(33, 176, 161) — 12.9% red, 69% green, 63.1% blue; the print equivalent is CMYK 56 / 0 / 6 / 31. Curious how these numbers work? Read our RGB color codes guide.

The color #21B0A1 reads as a vivid, lively aqua cyan and sits on the lighter side of the spectrum. Expect to see shades like this in bold branding moments and attention-grabbing details. In The Official Register of Color Names it is almost identical to Light Sea Green (#20B2AA). Nearby in the Register you will also find Tealish (#24BCA8) and AITriedPume (#13B6A9).

Technically, the mix leans on its green channel (rgb(33, 176, 161)), which gives #21B0A1 its character. If you plan to put text on a #21B0A1 background, choose black — the contrast ratio is 7.8:1 (passing WCAG AAA), while white manages only 2.7:1. Out of 16,777,216 possible colors, #21B0A1 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#21B0A1 color variations

View this color variations of tints, shades, tones and hues.

#21B0A1 color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #21B0A1

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Tealish color link
Tealish

#24BCA8

AITriedPume color link
AITriedPume

#13B6A9

Dali color link
Dali

#20C29E

Spring Teal color link
Spring Teal

#0EA7A5

Keppel color link
Keppel

#3AB09E

Java color link
Java

#259797

Jungle Green color link
Jungle Green

#29AB87

Boy Red color link
Boy Red

#0E9CA5

Pelorous color link
Pelorous

#2599B2

Conversions between color systems and etc.

  • HEX#21B0A1
  • RGB33, 176, 161
  • CMYK56, 0, 6, 31
  • CSSrgb(33, 176, 161)
  • HSL174°, 68%, 41%
  • HSL Precise173.706°, 68.421%, 40.98%
  • HSV174°, 81%, 69%
  • HSB174°, 81%, 69%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.690
  • Normalized B (0.0–1.0)0.631
  • GLSLvec3(0.129, 0.690, 0.631)
  • GLSL with alphavec4(0.129, 0.690, 0.631, 1.000)
  • HLSL / Metalfloat3(0.129, 0.690, 0.631)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB69%
  • Percentage of Blue in RGB63.1%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID21B0A1
  • DECIMAL ID2207905
  • Name LengthThis color has no name
  • Seen by search & AI crawlers16 times
  • Counting from2025-01-01