#40581D Color
#40581D is rgb(64, 88, 29) in RGB, hsl(84, 50%, 23%) in HSL, and about cmyk(27%, 0%, 67%, 65%) in CMYK. It has no registered color name of its own — the closest is Dark Moss Green (#4A5D23), very hard to tell apart at ΔE 3.36. White text is the more readable choice on this background.
#40581Drgb(64, 88, 29)hsl(84, 50%, 23%)hsv(84, 67%, 35%)cmyk(27%, 0%, 67%, 65%)oklch(42.7% 0.09 128.5)lab(34.42% -17.34 30.07)lch(34.42% 34.71 119.97)What #40581D 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 #40581D, 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.
#40581D Channel Values
How #40581D 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 64 · G 88 · B 29 | 8-bit channels as sent to the display |
| HSL | H 84° · S 50% · L 23% | Easiest model for building lighter and darker variants |
| HSV | H 84° · S 67% · V 35% | Matches the picker in most design tools |
| CMYK | C 27% · M 0% · Y 67% · K 65% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.98:1 vs white · 2.63:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #40581D 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 #40581D in the contrast checker.
Colors That Go With #40581D
Pairings derived from color-wheel relationships. The complementary color sits opposite #40581D; 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 #40581D
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 #40581D.
How #40581D 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.
#40581D#54541D#4D561D#51511F#4B541E#475353#445544#515151Using #40581D in Code
Copy-ready declarations for the places this color usually ends up.
--color-40581d: #40581D;background-color: #40581D;colors: { 'color-40581d': '#40581D' }Color(red: 0.251, green: 0.345, blue: 0.114)<color name="color_40581d">#40581D</color>fill="#40581D"More Green Colors
#40581D sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#40581D Frequently Asked Questions
What color is #40581D?
#40581D is a dark green — rgb(64, 88, 29) in RGB and hsl(84, 50%, 23%) in HSL. It carries no registered color name of its own; the closest named color is Dark Moss Green (#4A5D23), which is very hard to tell apart at a CIE76 distance of 3.36.
What is the RGB value of #40581D?
#40581D is rgb(64, 88, 29) — red 64, green 88, and blue 29 on the 0-255 scale.
What is the CMYK value of #40581D?
#40581D converts to approximately cmyk(27%, 0%, 67%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #40581D be black or white?
White text is the more readable choice. #40581D scores 7.98:1 against white and 2.63:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #40581D as a CSS color keyword?
No. #40581D 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 darkolivegreen (#556B2F) at a CIE76 distance of 8, which is clearly related but distinguishable side by side.
Open #40581D in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.