#159D40 Color
#159D40 is rgb(21, 157, 64) in RGB, hsl(139, 76%, 35%) in HSL, and about cmyk(87%, 0%, 59%, 38%) in CMYK. It has no registered color name of its own — the closest is Green (Pigment) (#00A550), clearly related but distinguishable side by side at ΔE 5.68. Black text is the more readable choice on this background.
#159D40rgb(21, 157, 64)hsl(139, 76%, 35%)hsv(139, 87%, 62%)cmyk(87%, 0%, 59%, 38%)oklch(60.9% 0.171 147.7)lab(56.73% -50.42 37.75)lch(56.73% 62.98 143.18)What #159D40 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 #159D40, 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.
#159D40 Channel Values
How #159D40 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 157 · B 64 | 8-bit channels as sent to the display |
| HSL | H 139° · S 76% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 139° · S 87% · V 62% | Matches the picker in most design tools |
| CMYK | C 87% · M 0% · Y 59% · K 38% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.54:1 vs white · 5.93:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #159D40 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 #159D40 in the contrast checker.
Colors That Go With #159D40
Pairings derived from color-wheel relationships. The complementary color sits opposite #159D40; 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 #159D40
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 #159D40.
How #159D40 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.
#159D40#909041#739641#838346#698E43#3B9595#30987C#888888Using #159D40 in Code
Copy-ready declarations for the places this color usually ends up.
--color-159d40: #159D40;background-color: #159D40;colors: { 'color-159d40': '#159D40' }Color(red: 0.082, green: 0.616, blue: 0.251)<color name="color_159d40">#159D40</color>fill="#159D40"More Green Colors
#159D40 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#159D40 Frequently Asked Questions
What color is #159D40?
#159D40 is a dark green — rgb(21, 157, 64) in RGB and hsl(139, 76%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Green (Pigment) (#00A550), which is clearly related but distinguishable side by side at a CIE76 distance of 5.68.
What is the RGB value of #159D40?
#159D40 is rgb(21, 157, 64) — red 21, green 157, and blue 64 on the 0-255 scale.
What is the CMYK value of #159D40?
#159D40 converts to approximately cmyk(87%, 0%, 59%, 38%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #159D40 be black or white?
Black text is the more readable choice. #159D40 scores 3.54:1 against white and 5.93:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #159D40 as a CSS color keyword?
No. #159D40 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 9.93, which is clearly related but distinguishable side by side.
Open #159D40 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.