#40643F Color
#40643F is rgb(64, 100, 63) in RGB, hsl(118, 23%, 32%) in HSL, and about cmyk(36%, 0%, 37%, 61%) in CMYK. It has no registered color name of its own — the closest is Hunter Green (#355E3B), very hard to tell apart at ΔE 3.46. White text is the more readable choice on this background.
#40643Frgb(64, 100, 63)hsl(118, 23%, 32%)hsv(118, 37%, 39%)cmyk(36%, 0%, 37%, 61%)oklch(46.5% 0.072 143.7)lab(38.86% -19.72 16.78)lch(38.86% 25.89 139.61)What #40643F 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 #40643F, 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.
#40643F Channel Values
How #40643F 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 100 · B 63 | 8-bit channels as sent to the display |
| HSL | H 118° · S 23% · L 32% | Easiest model for building lighter and darker variants |
| HSV | H 118° · S 37% · V 39% | Matches the picker in most design tools |
| CMYK | C 36% · M 0% · Y 37% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.75:1 vs white · 3.11:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #40643F 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 #40643F in the contrast checker.
Colors That Go With #40643F
Pairings derived from color-wheel relationships. The complementary color sits opposite #40643F; 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 #40643F
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 #40643F.
How #40643F 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.
#40643F#5F5F3F#54613F#5A5A40#515E40#466060#446255#5B5B5BUsing #40643F in Code
Copy-ready declarations for the places this color usually ends up.
--color-40643f: #40643F;background-color: #40643F;colors: { 'color-40643f': '#40643F' }Color(red: 0.251, green: 0.392, blue: 0.247)<color name="color_40643f">#40643F</color>fill="#40643F"More Green Colors
#40643F sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#40643F Frequently Asked Questions
What color is #40643F?
#40643F is a dark green — rgb(64, 100, 63) in RGB and hsl(118, 23%, 32%) in HSL. It carries no registered color name of its own; the closest named color is Hunter Green (#355E3B), which is very hard to tell apart at a CIE76 distance of 3.46.
What is the RGB value of #40643F?
#40643F is rgb(64, 100, 63) — red 64, green 100, and blue 63 on the 0-255 scale.
What is the CMYK value of #40643F?
#40643F converts to approximately cmyk(36%, 0%, 37%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #40643F be black or white?
White text is the more readable choice. #40643F scores 6.75:1 against white and 3.11:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #40643F as a CSS color keyword?
No. #40643F 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 14.37, which is visibly different.
Open #40643F in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.