Information about #01421D color

#01421D color image

Basic facts about this digital color

In the Register's classification, #01421D belongs to the Spring Green Color Family, featuring Full Saturation and Dark brightness. In numbers: rgb(1, 66, 29) (0.4% red, 25.9% green, 11.4% blue), or CMYK 25 / 0 / 15 / 74 for print. Curious how these numbers work? Read our RGB color codes guide.

#01421D presents itself as a intensely saturated fresh green-cyan — one that carries a shadowy depth. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Forest Green (#014421). Nearby in the Register you will also find Zuccini (#044022) and British Racing Green (#004225).

Technically, the mix leans on its green channel (rgb(1, 66, 29)), which gives #01421D its character. If you plan to put text on a #01421D background, choose white — the contrast ratio is 11.7:1 (passing WCAG AAA), while black manages only 1.8:1. For print, note the heavy black component (K:74) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #01421D is still unnamed — it can be claimed and named in The Official Register of Color Names.

#01421D color variations

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

#01421D 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 #01421D

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#01421D
  • RGB1, 66, 29
  • CMYK25, 0, 15, 74
  • CSSrgb(1, 66, 29)
  • HSL146°, 97%, 13%
  • HSL Precise145.846°, 97.015%, 13.137%
  • HSV146°, 98%, 26%
  • HSB146°, 98%, 26%
  • Normalized R (0.0–1.0)0.004
  • Normalized G (0.0–1.0)0.259
  • Normalized B (0.0–1.0)0.114
  • GLSLvec3(0.004, 0.259, 0.114)
  • GLSL with alphavec4(0.004, 0.259, 0.114, 1.000)
  • HLSL / Metalfloat3(0.004, 0.259, 0.114)
  • Percentage of Red in RGB0.4%
  • Percentage of Green in RGB25.9%
  • Percentage of Blue in RGB11.4%
  • Color FamilySpring Green
  • Saturation FamilyFull Saturation
  • Lightness FamilyDark
  • HEX ID01421D
  • DECIMAL ID82461
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01