Information about #378A5C color

#378A5C color image

Basic facts about this digital color

The digital color #378A5C is classified in the Register under the Spring Green Color Family, with Moderate Saturation and Neutral brightness. Its exact recipe is rgb(55, 138, 92) — 21.6% red, 54.1% green, 36.1% blue — and for print it converts to CMYK 33 / 0 / 18 / 46. Curious how these numbers work? Read our RGB color codes guide.

#378A5C presents itself as a confidently colored spring green — one that holds a balanced mid-tone. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is practically indistinguishable from Green Room (#388160). Its next-closest registered neighbors are Sea Green (#2E8B57) and Rustic Green (#438759).

In RGB terms — rgb(55, 138, 92) — the green channel does the heavy lifting here. If you plan to put text on a #378A5C background, choose black — the contrast ratio is 5.0:1 (passing WCAG AA), while white manages only 4.2:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#378A5C color variations

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

#378A5C 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 #378A5C

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

Green Room color link
Green Room

#388160

Sea Green color link
Sea Green

#2E8B57

Rustic Green color link
Rustic Green

#438759

Amazon color link
Amazon

#3B7A57

Viridian color link
Viridian

#40826D

Patina color link
Patina

#407A52

Middle Green color link
Middle Green

#4D8C57

Clover Green color link
Clover Green

#3EA055

Genoa color link
Genoa

#31796D

Conversions between color systems and etc.

  • HEX#378A5C
  • RGB55, 138, 92
  • CMYK33, 0, 18, 46
  • CSSrgb(55, 138, 92)
  • HSL147°, 43%, 38%
  • HSL Precise146.747°, 43.005%, 37.843%
  • HSV147°, 60%, 54%
  • HSB147°, 60%, 54%
  • Normalized R (0.0–1.0)0.216
  • Normalized G (0.0–1.0)0.541
  • Normalized B (0.0–1.0)0.361
  • GLSLvec3(0.216, 0.541, 0.361)
  • GLSL with alphavec4(0.216, 0.541, 0.361, 1.000)
  • HLSL / Metalfloat3(0.216, 0.541, 0.361)
  • Percentage of Red in RGB21.6%
  • Percentage of Green in RGB54.1%
  • Percentage of Blue in RGB36.1%
  • Color FamilySpring Green
  • Saturation FamilyModerate Saturation
  • Lightness FamilyNeutral
  • HEX ID378A5C
  • DECIMAL ID3639900
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01