Information about #666666 color

#666666 color image

Basic facts about this digital color

The digital color #666666 is classified in the Register under the Red Color Family, with Desaturated and Light brightness. Its exact recipe is rgb(102, 102, 102) — 40% red, 40% green, 40% blue — and for print it converts to CMYK 0 / 0 / 0 / 60. New to color codes? See our guide to RGB color codes.

#666666 presents itself as a quiet, subdued grey — one that sits on the lighter side of the spectrum. In practice it works well for balanced palettes where no single element should shout. In The Official Register of Color Names it is practically indistinguishable from Granite Gray (#676767). Nearby in the Register you will also find Double Trojan (#656664) and Chicane (#686765).

Technically, #666666 is a perfectly balanced RGB mix — red, green and blue all sit at 102, which is what makes it a true neutral. On this background, white text reaches a 5.7:1 contrast ratio (passing WCAG AA); black stays at 3.7:1. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. This shade is reserved in the Register and is not available for naming.

#666666 color variations

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

#666666 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 #666666

The closest officially registered color names in the Register, ordered by similarity.

Granite Gray color link
Granite Gray

#676767

Chicane color link
Chicane

#686765

Storm Dust color link
Storm Dust

#646463

Scorpion color link
Scorpion

#6A6466

Dim Gray color link
Dim Gray

#696969

Salt Box color link
Salt Box

#696268

Triple Stack color link
Triple Stack

#656660

Shuttle Grey color link
Shuttle Grey

#61666B

Cloudy Gray color link
Cloudy Gray

#6D6968

Mid Grey color link
Mid Grey

#666A6D

Identity color link
Identity

#6E6767

#666666 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

Conversions between color systems and etc.

  • HEX#666666
  • RGB102, 102, 102
  • CMYK0, 0, 0, 60
  • CSSrgb(102, 102, 102)
  • HSL0°, 0%, 40%
  • HSL Precise0°, 0%, 40%
  • HSV0°, 0%, 40%
  • HSB0°, 0%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.400
  • Normalized B (0.0–1.0)0.400
  • GLSLvec3(0.400, 0.400, 0.400)
  • GLSL with alphavec4(0.400, 0.400, 0.400, 1.000)
  • HLSL / Metalfloat3(0.400, 0.400, 0.400)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB40%
  • Percentage of Blue in RGB40%
  • Color Family (Hue)Red
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID666666
  • DECIMAL ID6710886
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01