Information about #21A19A color

#21A19A color image

Basic facts about this digital color

In the Register's classification, #21A19A belongs to the Cyan Color Family, featuring High Saturation and Neutral brightness. The mix behind it: rgb(33, 161, 154) — 12.9% red, 63.1% green, 60.4% blue; the print equivalent is CMYK 50 / 0 / 3 / 37. Curious how these numbers work? Read our RGB color codes guide.

The color #21A19A reads as a strongly colored aqua cyan and occupies the middle of the lightness scale. Expect to see shades like this in accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is just a few steps away from Java (#259797). Slightly further away sit Celeritas (#299792) and Jeepers Creepers (#29A98B).

The recipe behind #21A19A is rgb(33, 161, 154), with green as the dominant ingredient. Accessibility-wise, black text works best on #21A19A: 6.6:1 contrast (passing WCAG AA) versus 3.2:1 for white. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#21A19A color variations

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

#21A19A 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 #21A19A

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

Java color link
Java

#259797

Celeritas color link
Celeritas

#299792

Boy Red color link
Boy Red

#0E9CA5

Spring Teal color link
Spring Teal

#0EA7A5

Jungle Green color link
Jungle Green

#29AB87

Scooter color link
Scooter

#308EA0

Pelorous color link
Pelorous

#2599B2

Zomp color link
Zomp

#39A78E

Sea color link
Sea

#3C9992

Conversions between color systems and etc.

  • HEX#21A19A
  • RGB33, 161, 154
  • CMYK50, 0, 3, 37
  • CSSrgb(33, 161, 154)
  • HSL177°, 66%, 38%
  • HSL Precise176.719°, 65.979%, 38.039%
  • HSV177°, 80%, 63%
  • HSB177°, 80%, 63%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.631
  • Normalized B (0.0–1.0)0.604
  • GLSLvec3(0.129, 0.631, 0.604)
  • GLSL with alphavec4(0.129, 0.631, 0.604, 1.000)
  • HLSL / Metalfloat3(0.129, 0.631, 0.604)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB63.1%
  • Percentage of Blue in RGB60.4%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX ID21A19A
  • DECIMAL ID2204058
  • Name LengthThis color has no name
  • Seen by search & AI crawlers30 times
  • Counting from2025-01-01