#155B2A Color
#155B2A is rgb(21, 91, 42) in RGB, hsl(138, 63%, 22%) in HSL, and about cmyk(77%, 0%, 54%, 64%) in CMYK. It has no registered color name of its own — the closest is Mughal Green (#306030), clearly related but distinguishable side by side at ΔE 6.47. White text is the more readable choice on this background.
#155B2Argb(21, 91, 42)hsl(138, 63%, 22%)hsv(138, 77%, 36%)cmyk(77%, 0%, 54%, 64%)oklch(41.6% 0.104 149.1)lab(33.58% -31.22 21.67)lch(33.58% 38.00 145.23)What #155B2A 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 #155B2A, 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.
#155B2A Channel Values
How #155B2A 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 91 · B 42 | 8-bit channels as sent to the display |
| HSL | H 138° · S 63% · L 22% | Easiest model for building lighter and darker variants |
| HSV | H 138° · S 77% · V 36% | Matches the picker in most design tools |
| CMYK | C 77% · M 0% · Y 54% · K 64% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.2:1 vs white · 2.56:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #155B2A 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 #155B2A in the contrast checker.
Colors That Go With #155B2A
Pairings derived from color-wheel relationships. The complementary color sits opposite #155B2A; 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 #155B2A
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 #155B2A.
How #155B2A 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.
#155B2A#54542A#43572A#4C4C2D#3D522C#245757#1F5849#4F4F4FUsing #155B2A in Code
Copy-ready declarations for the places this color usually ends up.
--color-155b2a: #155B2A;background-color: #155B2A;colors: { 'color-155b2a': '#155B2A' }Color(red: 0.082, green: 0.357, blue: 0.165)<color name="color_155b2a">#155B2A</color>fill="#155B2A"More Green Colors
#155B2A sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#155B2A Frequently Asked Questions
What color is #155B2A?
#155B2A is a dark green — rgb(21, 91, 42) in RGB and hsl(138, 63%, 22%) in HSL. It carries no registered color name of its own; the closest named color is Mughal Green (#306030), which is clearly related but distinguishable side by side at a CIE76 distance of 6.47.
What is the RGB value of #155B2A?
#155B2A is rgb(21, 91, 42) — red 21, green 91, and blue 42 on the 0-255 scale.
What is the CMYK value of #155B2A?
#155B2A converts to approximately cmyk(77%, 0%, 54%, 64%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #155B2A be black or white?
White text is the more readable choice. #155B2A scores 8.2:1 against white and 2.56:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #155B2A as a CSS color keyword?
No. #155B2A 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 seagreen (#2E8B57) at a CIE76 distance of 19.22, which is visibly different.
Open #155B2A in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.