Information about #A66A64 color

#A66A64 color image

Basic facts about this digital color

In the Register's classification, #A66A64 belongs to the Red Color Family, featuring Mild Saturation and Light brightness. In numbers: rgb(166, 106, 100) (65.1% red, 41.6% green, 39.2% blue), or CMYK 0 / 24 / 26 / 35 for print. Curious how these numbers work? Read our RGB color codes guide.

#A66A64 presents itself as a moderately toned earthy red — one that feels open and friendly. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to Blast Off Bronze (#A57164). Its next-closest registered neighbors are Coral Tree (#AB6E67) and Copper Penny (#AD6F69).

In RGB terms — rgb(166, 106, 100) — the red channel does the heavy lifting here. If you plan to put text on a #A66A64 background, choose black — the contrast ratio is 4.9:1 (passing WCAG AA), while white manages only 4.3:1. No one has named #A66A64 so far. Register a name for it and it becomes a permanent record.

#A66A64 color variations

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

#A66A64 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 #A66A64

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

Coral Tree color link
Coral Tree

#AB6E67

Copper Penny color link
Copper Penny

#AD6F69

Quickstep color link
Quickstep

#A7615F

Toast color link
Toast

#9F715F

Walnut Dyed color link
Walnut Dyed

#9F7462

Copper Rose color link
Copper Rose

#996666

Au Chico color link
Au Chico

#9E6759

Deep Puce color link
Deep Puce

#A95C68

Warhol color link
Warhol

#9B615F

Conversions between color systems and etc.

  • HEX#A66A64
  • RGB166, 106, 100
  • CMYK0, 24, 26, 35
  • CSSrgb(166, 106, 100)
  • HSL5°, 27%, 52%
  • HSL Precise5.455°, 27.049%, 52.157%
  • HSV5°, 40%, 65%
  • HSB5°, 40%, 65%
  • Normalized R (0.0–1.0)0.651
  • Normalized G (0.0–1.0)0.416
  • Normalized B (0.0–1.0)0.392
  • GLSLvec3(0.651, 0.416, 0.392)
  • GLSL with alphavec4(0.651, 0.416, 0.392, 1.000)
  • HLSL / Metalfloat3(0.651, 0.416, 0.392)
  • Percentage of Red in RGB65.1%
  • Percentage of Green in RGB41.6%
  • Percentage of Blue in RGB39.2%
  • Color FamilyRed
  • Saturation FamilyMild Saturation
  • Lightness FamilyLight
  • HEX IDA66A64
  • DECIMAL ID10906212
  • Name LengthThis color has no name
  • Seen by search & AI crawlers27 times
  • Counting from2025-01-01