Information about #1B2921 color

#1B2921 color image

Basic facts about this digital color

#1B2921 falls into the Spring Green Color FamilyLow Saturation, Dark brightness. Its exact recipe is rgb(27, 41, 33) — 10.6% red, 16.1% green, 12.9% blue — and for print it converts to CMYK 5 / 0 / 3 / 84. New to color codes? See our guide to RGB color codes.

The color #1B2921 reads as a gently muted spring green and stays on the darker end of the scale. Designers typically reach for tones like this for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is a hair away from Dark Jungle Green (#1A2421). Slightly further away sit Sentry (#1C2728) and Blackjack (#1D2020).

Technically, the mix leans on its green channel (rgb(27, 41, 33)), which gives #1B2921 its character. On this background, white text reaches a 15.2:1 contrast ratio (passing WCAG AAA); black stays at 1.4:1. On paper it relies strongly on black ink (K:84), so proof dark layouts before a large print run. #1B2921 has no official name yet. If this shade means something to you, you can be the one to name it.

#1B2921 color variations

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

#1B2921 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 #1B2921

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

Sentry color link
Sentry

#1C2728

Blackjack color link
Blackjack

#1D2020

Kermadec color link
Kermadec

#1D2C2A

Bledisloe color link
Bledisloe

#19282B

Celtic color link
Celtic

#163222

Plock Gray color link
Plock Gray

#232224

Nero color link
Nero

#252525

Black Pearl color link
Black Pearl

#1E272C

Conversions between color systems and etc.

  • HEX#1B2921
  • RGB27, 41, 33
  • CMYK5, 0, 3, 84
  • CSSrgb(27, 41, 33)
  • HSL146°, 21%, 13%
  • HSL Precise145.714°, 20.588%, 13.333%
  • HSV146°, 34%, 16%
  • HSB146°, 34%, 16%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.161
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.106, 0.161, 0.129)
  • GLSL with alphavec4(0.106, 0.161, 0.129, 1.000)
  • HLSL / Metalfloat3(0.106, 0.161, 0.129)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB16.1%
  • Percentage of Blue in RGB12.9%
  • Color FamilySpring Green
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID1B2921
  • DECIMAL ID1780001
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01