Information about #155D5E color

#155D5E color image

Basic facts about this digital color

#155D5E falls into the Cyan Color FamilyHigh Saturation, Dark brightness. Its exact recipe is rgb(21, 93, 94) — 8.2% red, 36.5% green, 36.9% blue — and for print it converts to CMYK 29 / 0 / 0 / 63. Curious how these numbers work? Read our RGB color codes guide.

The color #155D5E reads as a strongly colored water-like cyan and stays on the darker end of the scale. Expect to see shades like this in moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is a near neighbor of Dark Green Blue (#1F6357). Slightly further away sit Caesar (#1B6767) and Retro (#1B5256).

The recipe behind #155D5E is rgb(21, 93, 94), with blue as the dominant ingredient. On this background, white text reaches a 7.6:1 contrast ratio (passing WCAG AAA); black stays at 2.8:1. For print, note the heavy black component (K:63) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #155D5E is still unnamed — it can be claimed and named in The Official Register of Color Names.

#155D5E color variations

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

#155D5E 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 #155D5E

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

Caesar color link
Caesar

#1B6767

Retro color link
Retro

#1B5256

Guru color link
Guru

#154C65

Globe color link
Globe

#256761

Eden color link
Eden

#266255

Beatnik color link
Beatnik

#1F4F54

Robin Hood color link
Robin Hood

#167057

Blue Stone color link
Blue Stone

#016162

Mosque color link
Mosque

#005F5B

Conversions between color systems and etc.

  • HEX#155D5E
  • RGB21, 93, 94
  • CMYK29, 0, 0, 63
  • CSSrgb(21, 93, 94)
  • HSL181°, 63%, 23%
  • HSL Precise180.822°, 63.478%, 22.549%
  • HSV181°, 78%, 37%
  • HSB181°, 78%, 37%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.365
  • Normalized B (0.0–1.0)0.369
  • GLSLvec3(0.082, 0.365, 0.369)
  • GLSL with alphavec4(0.082, 0.365, 0.369, 1.000)
  • HLSL / Metalfloat3(0.082, 0.365, 0.369)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB36.5%
  • Percentage of Blue in RGB36.9%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID155D5E
  • DECIMAL ID1400158
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01