Information about #818C8C color

#818C8C color image

Basic facts about this digital color

The digital color #818C8C is classified in the Register under the Cyan Color Family, with Desaturated and Light brightness. Its exact recipe is rgb(129, 140, 140) — 50.6% red, 54.9% green, 54.9% blue — and for print it converts to CMYK 4 / 0 / 0 / 45. Curious how these numbers work? Read our RGB color codes guide.

A quiet, subdued grey, #818C8C feels open and friendly. Expect to see shades like this in understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a hair away from Oslo Grey (#818988). Its next-closest registered neighbors are Inside Back (#848E88) and Cold Grey (#808A87).

In RGB terms — rgb(129, 140, 140) — the green channel does the heavy lifting here. If you plan to put text on a #818C8C background, choose black — the contrast ratio is 6.1:1 (passing WCAG AA), while white manages only 3.5:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#818C8C color variations

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

#818C8C 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 #818C8C

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

Oslo Grey color link
Oslo Grey

#818988

Inside Back color link
Inside Back

#848E88

Cold Grey color link
Cold Grey

#808A87

Aluminium color link
Aluminium

#848789

Dolphin Gray color link
Dolphin Gray

#828E84

Revolution color link
Revolution

#7E848B

Stack color link
Stack

#8A8F8A

Silver Steel color link
Silver Steel

#878786

Granny Smith color link
Granny Smith

#7B948C

Jumbo color link
Jumbo

#878785

Roman Silver color link
Roman Silver

#838996

Conversions between color systems and etc.

  • HEX#818C8C
  • RGB129, 140, 140
  • CMYK4, 0, 0, 45
  • CSSrgb(129, 140, 140)
  • HSL180°, 5%, 53%
  • HSL Precise180°, 4.564%, 52.745%
  • HSV180°, 8%, 55%
  • HSB180°, 8%, 55%
  • Normalized R (0.0–1.0)0.506
  • Normalized G (0.0–1.0)0.549
  • Normalized B (0.0–1.0)0.549
  • GLSLvec3(0.506, 0.549, 0.549)
  • GLSL with alphavec4(0.506, 0.549, 0.549, 1.000)
  • HLSL / Metalfloat3(0.506, 0.549, 0.549)
  • Percentage of Red in RGB50.6%
  • Percentage of Green in RGB54.9%
  • Percentage of Blue in RGB54.9%
  • Color FamilyCyan
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID818C8C
  • DECIMAL ID8490124
  • Name LengthThis color has no name
  • Seen by search & AI crawlers37 times
  • Counting from2025-01-01