Information about #278E4B color

#278E4B color image

Basic facts about this digital color

In the Register's classification, #278E4B belongs to the Spring Green Color Family, featuring Moderate Saturation and Neutral brightness. The mix behind it: rgb(39, 142, 75) — 15.3% red, 55.7% green, 29.4% blue; the print equivalent is CMYK 40 / 0 / 26 / 44. New to color codes? See our guide to RGB color codes.

#278E4B is a clearly saturated fresh green-cyan that holds a balanced mid-tone. In practice it works well for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is a near neighbor of Sea Green (#2E8B57). Its next-closest registered neighbors are Vintage Emerald (#2D8442) and Ginouverte (#178F52).

Technically, the mix leans on its green channel (rgb(39, 142, 75)), which gives #278E4B its character. Accessibility-wise, black text works best on #278E4B: 5.1:1 contrast (passing WCAG AA) versus 4.2:1 for white. #278E4B has no official name yet. If this shade means something to you, you can be the one to name it.

#278E4B color variations

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

#278E4B 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 #278E4B

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

Sea Green color link
Sea Green

#2E8B57

Ginouverte color link
Ginouverte

#178F52

Douban Green color link
Douban Green

#2E963D

Cobalt Green color link
Cobalt Green

#3D9140

Salem color link
Salem

#177B4D

Area color link
Area

#3C8043

Kermit color link
Kermit

#368136

Green Room color link
Green Room

#388160

Conversions between color systems and etc.

  • HEX#278E4B
  • RGB39, 142, 75
  • CMYK40, 0, 26, 44
  • CSSrgb(39, 142, 75)
  • HSL141°, 57%, 35%
  • HSL Precise140.971°, 56.906%, 35.49%
  • HSV141°, 73%, 56%
  • HSB141°, 73%, 56%
  • Normalized R (0.0–1.0)0.153
  • Normalized G (0.0–1.0)0.557
  • Normalized B (0.0–1.0)0.294
  • GLSLvec3(0.153, 0.557, 0.294)
  • GLSL with alphavec4(0.153, 0.557, 0.294, 1.000)
  • HLSL / Metalfloat3(0.153, 0.557, 0.294)
  • Percentage of Red in RGB15.3%
  • Percentage of Green in RGB55.7%
  • Percentage of Blue in RGB29.4%
  • Color FamilySpring Green
  • Saturation FamilyModerate Saturation
  • Lightness FamilyNeutral
  • HEX ID278E4B
  • DECIMAL ID2592331
  • Name LengthThis color has no name
  • Seen by search & AI crawlers7 times
  • Counting from2025-01-01