Information about #666555 color

#666555 color image

Basic facts about this digital color

In the Register's classification, #666555 belongs to the Yellow Color Family, featuring Desaturated and Neutral brightness. The mix behind it: rgb(102, 101, 85) — 40% red, 39.6% green, 33.3% blue; the print equivalent is CMYK 0 / 0 / 7 / 60. New to color codes? See our guide to RGB color codes.

#666555 is a softly muted balanced grey tone that holds a balanced mid-tone. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a hair away from Evolution (#676455). Its next-closest registered neighbors are Greyish Dark Green (#656255) and Pure Pewter (#666156).

In RGB terms — rgb(102, 101, 85) — the red channel does the heavy lifting here. If you plan to put text on a #666555 background, choose white — the contrast ratio is 5.9:1 (passing WCAG AA), while black manages only 3.6:1. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. No one has named #666555 so far. Register a name for it and it becomes a permanent record.

#666555 color variations

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

#666555 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 #666555

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

Evolution color link
Evolution

#676455

Pure Pewter color link
Pure Pewter

#666156

Half Masala color link
Half Masala

#67635C

Siam color link
Siam

#686B50

Makara color link
Makara

#695F50

Kabul color link
Kabul

#6C5E53

Talisman color link
Talisman

#655D50

Old Bamboo color link
Old Bamboo

#5E644F

Conversions between color systems and etc.

  • HEX#666555
  • RGB102, 101, 85
  • CMYK0, 0, 7, 60
  • CSSrgb(102, 101, 85)
  • HSL56°, 9%, 37%
  • HSL Precise56.471°, 9.091%, 36.667%
  • HSV56°, 17%, 40%
  • HSB56°, 17%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.396
  • Normalized B (0.0–1.0)0.333
  • GLSLvec3(0.400, 0.396, 0.333)
  • GLSL with alphavec4(0.400, 0.396, 0.333, 1.000)
  • HLSL / Metalfloat3(0.400, 0.396, 0.333)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB39.6%
  • Percentage of Blue in RGB33.3%
  • Color FamilyYellow
  • Saturation FamilyDesaturated
  • Lightness FamilyNeutral
  • HEX ID666555
  • DECIMAL ID6710613
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01