Information about #21280D color

#21280D color image

Basic facts about this digital color

In the Register's classification, #21280D belongs to the Chartreuse Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(33, 40, 13) (12.9% red, 15.7% green, 5.1% blue), or CMYK 3 / 0 / 11 / 84 for print. Curious how these numbers work? Read our RGB color codes guide.

A pleasantly vivid yellow-green, #21280D carries a shadowy depth. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is very close to It is as it is (#211E09). Nearby in the Register you will also find Deep Forest Green (#182D09) and Bonsaisei (#1F3106).

Technically, the mix leans on its green channel (rgb(33, 40, 13)), which gives #21280D its character. If you plan to put text on a #21280D background, choose white — the contrast ratio is 15.3:1 (passing WCAG AAA), while black manages only 1.4:1. For print, note the heavy black component (K:84) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #21280D is still unnamed — it can be claimed and named in The Official Register of Color Names.

#21280D color variations

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

#21280D color tints

Tints look brighter, pastel, and less intense.
#21280D

Color has no name
#586B22

Color has no name
#91B139

Color has no name
#B9D274

Color has no name
#DCE8B9

Color has no name
White

#FFFFFF

#21280D color shades

Shades look darker, richer, and more solid.
#21280D

Color has no name
#191E09

Color has no name
#121707

Color has no name
#0C0F04

Color has no name
#060702

Color has no name
Black

#000000

#21280D color tones

Tones looks more sophisticated and complex than base colors.
#21280D

Color has no name
#36401B

Color has no name
#4B562E

Color has no name
#5E6845

Color has no name
#707660

Color has no name
Grey

#808080

#21280D color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#0C2618

Color has no name
#0C260E

Color has no name
#15260C

Color has no name
#21280D

Color has no name
#26230C

Color has no name
#26180C

Color has no name
#260E0C

Color has no name

#21280D 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
#21280D
#21280D

Color has no name

#130C27
#130C27

Color has no name

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
#21280D
#21280D

Color has no name

#200C27
#200C27

Color has no name

#0C1327
#0C1327

Color has no name

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
#13270C
#13270C

Color has no name

#21280D
#21280D

Color has no name

#27200C
#27200C

Color has no name

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
#21280D
#21280D

Color has no name

#0C2027
#0C2027

Color has no name

#270C20
#270C20

Color has no name

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme
#21280D
#21280D

Color has no name

#0C2713
#0C2713

Color has no name

#130C27
#130C27

Color has no name

#270C20
#270C20

Color has no name

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme
#21280D
#21280D

Color has no name

#0C2720
#0C2720

Color has no name

#130C27
#130C27

Color has no name

#270C13
#270C13

Color has no name

Nearest named colors to #21280D

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

It is as it is color link
It is as it is

#211E09

Deep Forest Green color link
Deep Forest Green

#182D09

Bonsaisei color link
Bonsaisei

#1F3106

Very Dark Olive color link
Very Dark Olive

#1D1D11

Top Gear color link
Top Gear

#24221A

Very Dark Chartreuse Green color link
Very Dark Chartreuse Green

#171D11

Very Deep Olive color link
Very Deep Olive

#1D1D00

Yellowish Black color link
Yellowish Black

#1D1D1A

Blackout color link
Blackout

#211916

Black Chocolate color link
Black Chocolate

#1B1811

Rustic Black color link
Rustic Black

#1B1A16

Sooty color link
Sooty

#281D19

#21280D color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

#21280D color image #21280D color ORCN HD wallpaper 3840x2160 (Desktop)
#21280D color image #21280D color ORCN HD wallpaper 1170x2532 (Mobile)
#21280D color image #21280D color solid HD wallpaper 3840x2160 (Desktop)
#21280D color image #21280D color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21280D
  • RGB33, 40, 13
  • CMYK3, 0, 11, 84
  • CSSrgb(33, 40, 13)
  • HSL76°, 51%, 10%
  • HSL Precise75.556°, 50.943%, 10.392%
  • HSV76°, 68%, 16%
  • HSB76°, 68%, 16%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.157
  • Normalized B (0.0–1.0)0.051
  • GLSLvec3(0.129, 0.157, 0.051)
  • GLSL with alphavec4(0.129, 0.157, 0.051, 1.000)
  • HLSL / Metalfloat3(0.129, 0.157, 0.051)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB15.7%
  • Percentage of Blue in RGB5.1%
  • Color FamilyChartreuse
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID21280D
  • DECIMAL ID2172941
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01

Copyright © 2021-2026 The Official Register of Color Names. All Rights Reserved.

ORCN is an independent private organisation that maintains a public register — not a governmental institution or an international standards organisation — in which a name is linked to a specific digital colour code. Registration gives the registrant the exclusive right, within the ORCN register, to have that name recorded against that colour code.

Important: a digital colour itself belongs to no one in law. That right exists only within the ORCN register: registration creates no ownership, trademark, copyright or design rights anywhere. Legal exclusivity outside the register, where it is available at all, arises separately under applicable trademark law and is generally limited to particular goods, services and jurisdictions.