Information about #21553D color

#21553D color image

Basic facts about this digital color

#21553D falls into the Spring Green Color Family — Moderate Saturation, Dark brightness. Its exact recipe is rgb(33, 85, 61) — 12.9% red, 33.3% green, 23.9% blue — and for print it converts to CMYK 20 / 0 / 9 / 67. Curious how these numbers work? Read our RGB color codes guide.

The color #21553D reads as a clearly saturated minty spring green and stays on the darker end of the scale. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Kaitoke Green (#245336). Slightly further away sit Brunswick Green (#1B4D3E) and Dark Malachite Green (#275934).

In RGB terms — rgb(33, 85, 61) — the green channel does the heavy lifting here. Accessibility-wise, white text works best on #21553D: 8.6:1 contrast (passing WCAG AAA) versus 2.4:1 for black. For print, note the heavy black component (K:67) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#21553D color variations

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

#21553D color tints

Tints look brighter, pastel, and less intense.
#21553D

Color has no name
#368D64

Color has no name
#55BD8C

Color has no name
#8DD3B2

Color has no name
#C6E9D8

Color has no name
White

#FFFFFF

#21553D color shades

Shades look darker, richer, and more solid.
#21553D

Color has no name
#1A4330

Color has no name
#133224

Color has no name
#0D2118

Color has no name
#06100C

Color has no name
Black

#000000

#21553D color tones

Tones looks more sophisticated and complex than base colors.
#21553D

Color has no name
#2E614A

Color has no name
#3F6C57

Color has no name
#527565

Color has no name
#677B72

Color has no name
Grey

#808080

#21553D color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#202E54

Color has no name
#204354

Color has no name
#205451

Color has no name
#21553D

Color has no name
#205427

Color has no name
#2E5420

Color has no name
#435420

Color has no name

#21553D 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
#21553D
#21553D

Color has no name

#542139
#542139

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
#21553D
#21553D

Color has no name

#542321
#542321

Color has no name

#542153
#542153

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
#215354
#215354

Color has no name

#21553D
#21553D

Color has no name

#215423
#215423

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
#21553D
#21553D

Color has no name

#3C2154
#3C2154

Color has no name

#543C21
#543C21

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
#21553D
#21553D

Color has no name

#213954
#213954

Color has no name

#542139
#542139

Color has no name

#543C21
#543C21

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
#21553D
#21553D

Color has no name

#232154
#232154

Color has no name

#542139
#542139

Color has no name

#535421
#535421

Color has no name

Nearest named colors to #21553D

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

Kaitoke Green color link
Kaitoke Green

#245336

Brunswick Green color link
Brunswick Green

#1B4D3E

Dark Malachite Green color link
Dark Malachite Green

#275934

Roulette color link
Roulette

#2A4D3E

Zydeco color link
Zydeco

#20483F

Te Papa Green color link
Te Papa Green

#2B4B40

Green Pea color link
Green Pea

#266242

Push Play color link
Push Play

#21584C

Pine color link
Pine

#2B5D34

Jackpot color link
Jackpot

#145346

Pastel Deep Green color link
Pastel Deep Green

#2F4C39

Grass Stain color link
Grass Stain

#165B31

#21553D color backgrounds & wallpapers

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

#21553D color image #21553D color ORCN HD wallpaper 3840x2160 (Desktop)
#21553D color image #21553D color ORCN HD wallpaper 1170x2532 (Mobile)
#21553D color image #21553D color solid HD wallpaper 3840x2160 (Desktop)
#21553D color image #21553D color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21553D
  • RGB33, 85, 61
  • CMYK20, 0, 9, 67
  • CSSrgb(33, 85, 61)
  • HSL152°, 44%, 23%
  • HSL Precise152.308°, 44.068%, 23.137%
  • HSV152°, 61%, 33%
  • HSB152°, 61%, 33%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.333
  • Normalized B (0.0–1.0)0.239
  • GLSLvec3(0.129, 0.333, 0.239)
  • GLSL with alphavec4(0.129, 0.333, 0.239, 1.000)
  • HLSL / Metalfloat3(0.129, 0.333, 0.239)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB33.3%
  • Percentage of Blue in RGB23.9%
  • Color FamilySpring Green
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID21553D
  • DECIMAL ID2184509
  • Name LengthThis color has no name
  • Seen by search & AI crawlers15 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.