Information about #0A221B color

#0A221B color image

Basic facts about this digital color

In the Register's classification, #0A221B belongs to the Spring Green Color Family, featuring Moderate Saturation and Very Dark brightness. The mix behind it: rgb(10, 34, 27) — 3.9% red, 13.3% green, 10.6% blue; the print equivalent is CMYK 9 / 0 / 3 / 87. Curious how these numbers work? Read our RGB color codes guide.

#0A221B is a confidently colored minty spring green that lives deep in the shadows. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is a hair away from Elizabeth Street (#0A1F17). Nearby in the Register you will also find Aztec (#0D1C19) and Very Dark Cyan (#111D1D).

The recipe behind #0A221B is rgb(10, 34, 27), with green as the dominant ingredient. If you plan to put text on a #0A221B background, choose white — the contrast ratio is 16.7:1 (passing WCAG AAA), while black manages only 1.3:1. On paper it relies strongly on black ink (K:87), so proof dark layouts before a large print run. #0A221B has no official name yet. If this shade means something to you, you can be the one to name it.

#0A221B color variations

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

#0A221B 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 #0A221B

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

Conversions between color systems and etc.

  • HEX#0A221B
  • RGB10, 34, 27
  • CMYK9, 0, 3, 87
  • CSSrgb(10, 34, 27)
  • HSL163°, 55%, 9%
  • HSL Precise162.5°, 54.545%, 8.627%
  • HSV163°, 71%, 13%
  • HSB163°, 71%, 13%
  • Normalized R (0.0–1.0)0.039
  • Normalized G (0.0–1.0)0.133
  • Normalized B (0.0–1.0)0.106
  • GLSLvec3(0.039, 0.133, 0.106)
  • GLSL with alphavec4(0.039, 0.133, 0.106, 1.000)
  • HLSL / Metalfloat3(0.039, 0.133, 0.106)
  • Percentage of Red in RGB3.9%
  • Percentage of Green in RGB13.3%
  • Percentage of Blue in RGB10.6%
  • Color FamilySpring Green
  • Saturation FamilyModerate Saturation
  • Lightness FamilyVery Dark
  • HEX ID0A221B
  • DECIMAL ID664091
  • Name LengthThis color has no name
  • Seen by search & AI crawlers19 times
  • Counting from2025-01-01