Information about #AC551B color

#AC551B color image

Basic facts about this digital color

#AC551B falls into the Orange Color Family — High Saturation, Neutral brightness. The mix behind it: rgb(172, 85, 27) — 67.5% red, 33.3% green, 10.6% blue; the print equivalent is CMYK 0 / 34 / 57 / 33. Curious how these numbers work? Read our RGB color codes guide.

#AC551B presents itself as a energetic, saturated amber-leaning orange — one that sits comfortably between light and dark. It is a natural fit for logos, highlights and anything that needs to be noticed first. In The Official Register of Color Names it is a hair away from Vindaloo (#A74F20). Nearby in the Register you will also find Rich Gold (#A15226) and Ayers Rock (#AE451D).

The recipe behind #AC551B is rgb(172, 85, 27), with red as the dominant ingredient. On this background, white text reaches a 5.2:1 contrast ratio (passing WCAG AA); black stays at 4.1:1. No one has named #AC551B so far. Register a name for it and it becomes a permanent record.

#AC551B color variations

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

#AC551B 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 #AC551B

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

Vindaloo color link
Vindaloo

#A74F20

Rich Gold color link
Rich Gold

#A15226

Ayers Rock color link
Ayers Rock

#AE451D

Hazard color link
Hazard

#A3532A

Omega color link
Omega

#B56519

Light Brown color link
Light Brown

#B5651D

Cattail color link
Cattail

#B64925

Dirty Brown color link
Dirty Brown

#B5651E

Red Stage color link
Red Stage

#AD522E

Conversions between color systems and etc.

  • HEX#AC551B
  • RGB172, 85, 27
  • CMYK0, 34, 57, 33
  • CSSrgb(172, 85, 27)
  • HSL24°, 73%, 39%
  • HSL Precise24°, 72.864%, 39.02%
  • HSV24°, 84%, 67%
  • HSB24°, 84%, 67%
  • Normalized R (0.0–1.0)0.675
  • Normalized G (0.0–1.0)0.333
  • Normalized B (0.0–1.0)0.106
  • GLSLvec3(0.675, 0.333, 0.106)
  • GLSL with alphavec4(0.675, 0.333, 0.106, 1.000)
  • HLSL / Metalfloat3(0.675, 0.333, 0.106)
  • Percentage of Red in RGB67.5%
  • Percentage of Green in RGB33.3%
  • Percentage of Blue in RGB10.6%
  • Color FamilyOrange
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX IDAC551B
  • DECIMAL ID11293979
  • Name LengthThis color has no name
  • Seen by search & AI crawlers23 times
  • Counting from2025-01-01