Information about #428F6B color

#428F6B color image

Basic facts about this digital color

#428F6B falls into the Spring Green Color Family — Mild Saturation, Light brightness. The mix behind it: rgb(66, 143, 107) — 25.9% red, 56.1% green, 42% blue; the print equivalent is CMYK 30 / 0 / 14 / 44. Curious how these numbers work? Read our RGB color codes guide.

#428F6B presents itself as a softly balanced spring green — one that feels open and friendly. It is a natural fit for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is a near neighbor of Viridian (#40826D). Its next-closest registered neighbors are Antique Green (#3E8F78) and Rustic Green (#438759).

In RGB terms — rgb(66, 143, 107) — the green channel does the heavy lifting here. Accessibility-wise, black text works best on #428F6B: 5.4:1 contrast (passing WCAG AA) versus 3.9:1 for white. Out of 16,777,216 possible colors, #428F6B is still unnamed — it can be claimed and named in The Official Register of Color Names.

#428F6B color variations

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

#428F6B 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 #428F6B

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

Conversions between color systems and etc.

  • HEX#428F6B
  • RGB66, 143, 107
  • CMYK30, 0, 14, 44
  • CSSrgb(66, 143, 107)
  • HSL152°, 37%, 41%
  • HSL Precise151.948°, 36.842%, 40.98%
  • HSV152°, 54%, 56%
  • HSB152°, 54%, 56%
  • Normalized R (0.0–1.0)0.259
  • Normalized G (0.0–1.0)0.561
  • Normalized B (0.0–1.0)0.420
  • GLSLvec3(0.259, 0.561, 0.420)
  • GLSL with alphavec4(0.259, 0.561, 0.420, 1.000)
  • HLSL / Metalfloat3(0.259, 0.561, 0.420)
  • Percentage of Red in RGB25.9%
  • Percentage of Green in RGB56.1%
  • Percentage of Blue in RGB42%
  • Color FamilySpring Green
  • Saturation FamilyMild Saturation
  • Lightness FamilyLight
  • HEX ID428F6B
  • DECIMAL ID4362091
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01