Information about #664600 color

#664600 color image

Basic facts about this digital color

In the Register's classification, #664600 belongs to the Orange Color Family, featuring Full Saturation and Dark brightness. The mix behind it: rgb(102, 70, 0) — 40% red, 27.5% green, 0% blue; the print equivalent is CMYK 0 / 13 / 40 / 60. New to color codes? See our guide to RGB color codes.

#664600 is a pure, full-strength amber-leaning orange that leans clearly toward the dark side. In practice it works well for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Violin Brown (#674403). Its next-closest registered neighbors are Deep Amber (#594300) and Rich Dark Bronze (#713E02).

In RGB terms — rgb(102, 70, 0) — the red channel does the heavy lifting here. Accessibility-wise, white text works best on #664600: 8.6:1 contrast (passing WCAG AAA) versus 2.4:1 for black. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. #664600 has no official name yet. If this shade means something to you, you can be the one to name it.

#664600 color variations

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

#664600 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 #664600

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

Conversions between color systems and etc.

  • HEX#664600
  • RGB102, 70, 0
  • CMYK0, 13, 40, 60
  • CSSrgb(102, 70, 0)
  • HSL41°, 100%, 20%
  • HSL Precise41.176°, 100%, 20%
  • HSV41°, 100%, 40%
  • HSB41°, 100%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.275
  • Normalized B (0.0–1.0)0.000
  • GLSLvec3(0.400, 0.275, 0.000)
  • GLSL with alphavec4(0.400, 0.275, 0.000, 1.000)
  • HLSL / Metalfloat3(0.400, 0.275, 0.000)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB27.5%
  • Percentage of Blue in RGB0%
  • Color FamilyOrange
  • Saturation FamilyFull Saturation
  • Lightness FamilyDark
  • HEX ID664600
  • DECIMAL ID6702592
  • Name LengthThis color has no name
  • Seen by search & AI crawlers33 times
  • Counting from2025-01-01