#636340 Color
#636340 is rgb(99, 99, 64) in RGB, hsl(60, 21%, 32%) in HSL, and about cmyk(0%, 0%, 35%, 61%) in CMYK. It has no registered color name of its own — the closest is Fatigue Green (#5B6238), very hard to tell apart at ΔE 4.97. White text is the more readable choice on this background.
#636340rgb(99, 99, 64)hsl(60, 21%, 32%)hsv(60, 35%, 39%)cmyk(0%, 0%, 35%, 61%)oklch(49% 0.052 108.2)lab(41.27% -4.49 19.94)lch(41.27% 20.44 102.70)What #636340 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 #636340, 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 yellow in the library.
#636340 Channel Values
How #636340 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 99 · G 99 · B 64 | 8-bit channels as sent to the display |
| HSL | H 60° · S 21% · L 32% | Easiest model for building lighter and darker variants |
| HSV | H 60° · S 35% · V 39% | Matches the picker in most design tools |
| CMYK | C 0% · M 0% · Y 35% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.2:1 vs white · 3.39:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #636340 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 #636340 in the contrast checker.
Colors That Go With #636340
Pairings derived from color-wheel relationships. The complementary color sits opposite #636340; 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 #636340
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 #636340.
How #636340 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.
#636340#636340#636340#636340#636340#665F5F#656155#616161Using #636340 in Code
Copy-ready declarations for the places this color usually ends up.
--color-636340: #636340;background-color: #636340;colors: { 'color-636340': '#636340' }Color(red: 0.388, green: 0.388, blue: 0.251)<color name="color_636340">#636340</color>fill="#636340"More Yellow Colors
#636340 sits in the yellow family. These are its neighbours across that family's full range, each with its own breakdown.
#636340 Frequently Asked Questions
What color is #636340?
#636340 is a dark yellow — rgb(99, 99, 64) in RGB and hsl(60, 21%, 32%) in HSL. It carries no registered color name of its own; the closest named color is Fatigue Green (#5B6238), which is very hard to tell apart at a CIE76 distance of 4.97.
What is the RGB value of #636340?
#636340 is rgb(99, 99, 64) — red 99, green 99, and blue 64 on the 0-255 scale.
What is the CMYK value of #636340?
#636340 converts to approximately cmyk(0%, 0%, 35%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #636340 be black or white?
White text is the more readable choice. #636340 scores 6.2:1 against white and 3.39:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #636340 as a CSS color keyword?
No. #636340 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 15.83, which is visibly different.
Open #636340 in a Tool
Keep exploring: every yellow in the color library, the guide to shades of yellow, or the full color library.