Information about #21C6B3 color

#21C6B3 color image

Basic facts about this digital color

The digital color #21C6B3 is classified in the Register under the Cyan Color Family, with High Saturation and Light brightness. Its exact recipe is rgb(33, 198, 179) — 12.9% red, 77.6% green, 70.2% blue — and for print it converts to CMYK 65 / 0 / 7 / 22. Curious how these numbers work? Read our RGB color codes guide.

A energetic, saturated cyan, #21C6B3 feels open and friendly. Expect to see shades like this in bold branding moments and attention-grabbing details. In The Official Register of Color Names it is a near neighbor of Tealish (#24BCA8). Its next-closest registered neighbors are Maximum Blue Green (#30BFBF) and Dali (#20C29E).

In RGB terms — rgb(33, 198, 179) — the green channel does the heavy lifting here. If you plan to put text on a #21C6B3 background, choose black — the contrast ratio is 9.8:1 (passing WCAG AAA), while white manages only 2.1:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#21C6B3 color variations

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

#21C6B3 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 #21C6B3

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

Dali color link
Dali

#20C29E

AITriedPume color link
AITriedPume

#13B6A9

Amazonite color link
Amazonite

#00C4B0

Neon Teal color link
Neon Teal

#00CAB1

Pacific Blue color link
Pacific Blue

#1CA9C9

Aqua Marine color link
Aqua Marine

#2EE8BB

Ball Blue color link
Ball Blue

#21ABCD

Spring Teal color link
Spring Teal

#0EA7A5

Verdigris color link
Verdigris

#43B3AE

Conversions between color systems and etc.

  • HEX#21C6B3
  • RGB33, 198, 179
  • CMYK65, 0, 7, 22
  • CSSrgb(33, 198, 179)
  • HSL173°, 71%, 45%
  • HSL Precise173.091°, 71.429%, 45.294%
  • HSV173°, 83%, 78%
  • HSB173°, 83%, 78%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.776
  • Normalized B (0.0–1.0)0.702
  • GLSLvec3(0.129, 0.776, 0.702)
  • GLSL with alphavec4(0.129, 0.776, 0.702, 1.000)
  • HLSL / Metalfloat3(0.129, 0.776, 0.702)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB77.6%
  • Percentage of Blue in RGB70.2%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID21C6B3
  • DECIMAL ID2213555
  • Name LengthThis color has no name
  • Seen by search & AI crawlers8 times
  • Counting from2025-01-01