#0B5138 Color
#0B5138 is rgb(11, 81, 56) in RGB, hsl(159, 76%, 18%) in HSL, and about cmyk(86%, 0%, 31%, 68%) in CMYK. It has no registered color name of its own — the closest is British Racing Green (#004225), clearly related but distinguishable side by side at ΔE 7.15. White text is the more readable choice on this background.
#0B5138rgb(11, 81, 56)hsl(159, 76%, 18%)hsv(159, 86%, 32%)cmyk(86%, 0%, 31%, 68%)oklch(38.7% 0.078 163.1)lab(29.94% -26.68 8.63)lch(29.94% 28.04 162.09)What #0B5138 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 #0B5138, 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.
#0B5138 Channel Values
How #0B5138 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 11 · G 81 · B 56 | 8-bit channels as sent to the display |
| HSL | H 159° · S 76% · L 18% | Easiest model for building lighter and darker variants |
| HSV | H 159° · S 86% · V 32% | Matches the picker in most design tools |
| CMYK | C 86% · M 0% · Y 31% · K 68% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.34:1 vs white · 2.25:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0B5138 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 #0B5138 in the contrast checker.
Colors That Go With #0B5138
Pairings derived from color-wheel relationships. The complementary color sits opposite #0B5138; 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 #0B5138
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 #0B5138.
How #0B5138 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.
#0B5138#4A4A38#3A4D38#43433A#354939#174E4E#134F46#474747Using #0B5138 in Code
Copy-ready declarations for the places this color usually ends up.
--color-0b5138: #0B5138;background-color: #0B5138;colors: { 'color-0b5138': '#0B5138' }Color(red: 0.043, green: 0.318, blue: 0.220)<color name="color_0b5138">#0B5138</color>fill="#0B5138"More Green Colors
#0B5138 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#0B5138 Frequently Asked Questions
What color is #0B5138?
#0B5138 is a darkest green — rgb(11, 81, 56) in RGB and hsl(159, 76%, 18%) in HSL. It carries no registered color name of its own; the closest named color is British Racing Green (#004225), which is clearly related but distinguishable side by side at a CIE76 distance of 7.15.
What is the RGB value of #0B5138?
#0B5138 is rgb(11, 81, 56) — red 11, green 81, and blue 56 on the 0-255 scale.
What is the CMYK value of #0B5138?
#0B5138 converts to approximately cmyk(86%, 0%, 31%, 68%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0B5138 be black or white?
White text is the more readable choice. #0B5138 scores 9.34:1 against white and 2.25:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0B5138 as a CSS color keyword?
No. #0B5138 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 darkslategray (#2F4F4F) at a CIE76 distance of 19.16, which is visibly different.
Open #0B5138 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.