#15660B Color
#15660B is rgb(21, 102, 11) in RGB, hsl(113, 81%, 22%) in HSL, and about cmyk(79%, 0%, 89%, 60%) in CMYK. It has no registered color name of its own — the closest is Royal Green (#136207), below the threshold most people can see at ΔE 1.72. White text is the more readable choice on this background.
#15660Brgb(21, 102, 11)hsl(113, 81%, 22%)hsv(113, 89%, 40%)cmyk(79%, 0%, 89%, 60%)oklch(44.6% 0.142 141.7)lab(37.32% -37.46 38.89)lch(37.32% 53.99 133.92)What #15660B 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 #15660B, 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.
#15660B Channel Values
How #15660B 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 21 · G 102 · B 11 | 8-bit channels as sent to the display |
| HSL | H 113° · S 81% · L 22% | Easiest model for building lighter and darker variants |
| HSV | H 113° · S 89% · V 40% | Matches the picker in most design tools |
| CMYK | C 79% · M 0% · Y 89% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.15:1 vs white · 2.94:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #15660B 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 #15660B in the contrast checker.
Colors That Go With #15660B
Pairings derived from color-wheel relationships. The complementary color sits opposite #15660B; 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 #15660B
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 #15660B.
How #15660B 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.
#15660B#5E5E0D#4B610C#555514#445C11#2B6060#24624B#585858Using #15660B in Code
Copy-ready declarations for the places this color usually ends up.
--color-15660b: #15660B;background-color: #15660B;colors: { 'color-15660b': '#15660B' }Color(red: 0.082, green: 0.400, blue: 0.043)<color name="color_15660b">#15660B</color>fill="#15660B"More Green Colors
#15660B sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#15660B Frequently Asked Questions
What color is #15660B?
#15660B is a dark green — rgb(21, 102, 11) in RGB and hsl(113, 81%, 22%) in HSL. It carries no registered color name of its own; the closest named color is Royal Green (#136207), which is below the threshold most people can see at a CIE76 distance of 1.72.
What is the RGB value of #15660B?
#15660B is rgb(21, 102, 11) — red 21, green 102, and blue 11 on the 0-255 scale.
What is the CMYK value of #15660B?
#15660B converts to approximately cmyk(79%, 0%, 89%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #15660B be black or white?
White text is the more readable choice. #15660B scores 7.15:1 against white and 2.94:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #15660B as a CSS color keyword?
No. #15660B 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 darkgreen (#006400) at a CIE76 distance of 3.25, which is very hard to tell apart.
Open #15660B in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.