#21871C Color
#21871C is rgb(33, 135, 28) in RGB, hsl(117, 66%, 32%) in HSL, and about cmyk(76%, 0%, 79%, 47%) in CMYK. It has no registered color name of its own — the closest is Forest Green (#228B22), below the threshold most people can see at ΔE 1.75. White text is the more readable choice on this background.
#21871Crgb(33, 135, 28)hsl(117, 66%, 32%)hsv(117, 79%, 53%)cmyk(76%, 0%, 79%, 47%)oklch(54.6% 0.168 142.3)lab(49.23% -44.98 44.74)lch(49.23% 63.44 135.15)What #21871C Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #21871C, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every green in the library.
#21871C Channel Values
How #21871C breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 33 · G 135 · B 28 | 8-bit channels as sent to the display |
| HSL | H 117° · S 66% · L 32% | Easiest model for building lighter and darker variants |
| HSV | H 117° · S 79% · V 53% | Matches the picker in most design tools |
| CMYK | C 76% · M 0% · Y 79% · K 47% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.62:1 vs white · 4.55:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #21871C background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #21871C in the contrast checker.
Colors That Go With #21871C
Pairings derived from color-wheel relationships. The complementary color sits opposite #21871C; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #21871C
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #21871C.
How #21871C Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#21871C#7D7D1E#64811D#727224#5C7B21#3C7F7F#338266#757575Using #21871C in Code
Copy-ready declarations for the places this color usually ends up.
--color-21871c: #21871C;background-color: #21871C;colors: { 'color-21871c': '#21871C' }Color(red: 0.129, green: 0.529, blue: 0.110)<color name="color_21871c">#21871C</color>fill="#21871C"More Green Colors
#21871C sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#21871C Frequently Asked Questions
What color is #21871C?
#21871C is a dark green — rgb(33, 135, 28) in RGB and hsl(117, 66%, 32%) in HSL. It carries no registered color name of its own; the closest named color is Forest Green (#228B22), which is below the threshold most people can see at a CIE76 distance of 1.75.
What is the RGB value of #21871C?
#21871C is rgb(33, 135, 28) — red 33, green 135, and blue 28 on the 0-255 scale.
What is the CMYK value of #21871C?
#21871C converts to approximately cmyk(76%, 0%, 79%, 47%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #21871C be black or white?
White text is the more readable choice. #21871C scores 4.62:1 against white and 4.55:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #21871C as a CSS color keyword?
No. #21871C is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is forestgreen (#228B22) at a CIE76 distance of 1.75, which is below the threshold most people can see.
Open #21871C in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.