Information about #A4A621 color

#A4A621 color image

Basic facts about this digital color

In the Register's classification, #A4A621 belongs to the Yellow Color Family, featuring High Saturation and Neutral brightness. In numbers: rgb(164, 166, 33) (64.3% red, 65.1% green, 12.9% blue), or CMYK 1 / 0 / 52 / 35 for print. Curious how these numbers work? Read our RGB color codes guide.

#A4A621 presents itself as a strongly colored sunny yellow — one that holds a balanced mid-tone. It is a natural fit for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is almost identical to Citron (#9FA91F). Its next-closest registered neighbors are Vomit (#A2A415) and Limelight (#99AD25).

Technically, the mix leans on its green channel (rgb(164, 166, 33)), which gives #A4A621 its character. Accessibility-wise, black text works best on #A4A621: 8.1:1 contrast (passing WCAG AAA) versus 2.6:1 for white. #A4A621 has no official name yet. If this shade means something to you, you can be the one to name it.

#A4A621 color variations

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

#A4A621 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 #A4A621

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

Citron color link
Citron

#9FA91F

Vomit color link
Vomit

#A2A415

Limelight color link
Limelight

#99AD25

Impromptu color link
Impromptu

#9BB123

Lucky color link
Lucky

#AB9A1C

Earls Green color link
Earls Green

#B8A722

Sickly Green color link
Sickly Green

#94B21C

Icky Green color link
Icky Green

#8FAE22

Sick Green color link
Sick Green

#9DB92C

Sahara color link
Sahara

#B79826

Pea color link
Pea

#A4BF20

Conversions between color systems and etc.

  • HEX#A4A621
  • RGB164, 166, 33
  • CMYK1, 0, 52, 35
  • CSSrgb(164, 166, 33)
  • HSL61°, 67%, 39%
  • HSL Precise60.902°, 66.834%, 39.02%
  • HSV61°, 80%, 65%
  • HSB61°, 80%, 65%
  • Normalized R (0.0–1.0)0.643
  • Normalized G (0.0–1.0)0.651
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.643, 0.651, 0.129)
  • GLSL with alphavec4(0.643, 0.651, 0.129, 1.000)
  • HLSL / Metalfloat3(0.643, 0.651, 0.129)
  • Percentage of Red in RGB64.3%
  • Percentage of Green in RGB65.1%
  • Percentage of Blue in RGB12.9%
  • Color FamilyYellow
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX IDA4A621
  • DECIMAL ID10790433
  • Name LengthThis color has no name
  • Seen by search & AI crawlers19 times
  • Counting from2025-01-01