Information about #21231A color

#21231A color image

Basic facts about this digital color

In the Register's classification, #21231A belongs to the Yellow Color Family, featuring Low Saturation and Dark brightness. The mix behind it: rgb(33, 35, 26) — 12.9% red, 13.7% green, 10.2% blue; the print equivalent is CMYK 1 / 0 / 4 / 86. Curious how these numbers work? Read our RGB color codes guide.

The color #21231A reads as a softly toned sunny yellow and leans clearly toward the dark side. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Top Gear (#24221A). Its next-closest registered neighbors are Yellowish Black (#1D1D1A) and Black Charcoal (#212121).

The recipe behind #21231A is rgb(33, 35, 26), with green as the dominant ingredient. If you plan to put text on a #21231A background, choose white — the contrast ratio is 15.9:1 (passing WCAG AAA), while black manages only 1.3:1. On paper it relies strongly on black ink (K:86), so proof dark layouts before a large print run. No one has named #21231A so far. Register a name for it and it becomes a permanent record.

#21231A color variations

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

#21231A 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 #21231A

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

Top Gear color link
Top Gear

#24221A

Cosmonaut color link
Cosmonaut

#26211F

Blackjack color link
Blackjack

#1D2020

Ink color link
Ink

#27221F

Pastel Black color link
Pastel Black

#1D1C1A

Sooty color link
Sooty

#281D19

Conversions between color systems and etc.

  • HEX#21231A
  • RGB33, 35, 26
  • CMYK1, 0, 4, 86
  • CSSrgb(33, 35, 26)
  • HSL73°, 15%, 12%
  • HSL Precise73.333°, 14.754%, 11.961%
  • HSV73°, 26%, 14%
  • HSB73°, 26%, 14%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.137
  • Normalized B (0.0–1.0)0.102
  • GLSLvec3(0.129, 0.137, 0.102)
  • GLSL with alphavec4(0.129, 0.137, 0.102, 1.000)
  • HLSL / Metalfloat3(0.129, 0.137, 0.102)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB13.7%
  • Percentage of Blue in RGB10.2%
  • Color FamilyYellow
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID21231A
  • DECIMAL ID2171674
  • Name LengthThis color has no name
  • Seen by search & AI crawlers22 times
  • Counting from2025-01-01