#636E49 Color
#636E49 is rgb(99, 110, 73) in RGB, hsl(78, 20%, 36%) in HSL, and about cmyk(10%, 0%, 34%, 57%) in CMYK. It has no registered color name of its own — the closest is Fatigue Green (#5B6238), clearly related but distinguishable side by side at ΔE 6.01. White text is the more readable choice on this background.
#636E49rgb(99, 110, 73)hsl(78, 20%, 36%)hsv(78, 34%, 43%)cmyk(10%, 0%, 34%, 57%)oklch(51.9% 0.057 121.8)lab(44.74% -9.45 19.23)lch(44.74% 21.43 116.17)What #636E49 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 #636E49, 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.
#636E49 Channel Values
How #636E49 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 110 · B 73 | 8-bit channels as sent to the display |
| HSL | H 78° · S 20% · L 36% | Easiest model for building lighter and darker variants |
| HSV | H 78° · S 34% · V 43% | Matches the picker in most design tools |
| CMYK | C 10% · M 0% · Y 34% · K 57% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.44:1 vs white · 3.86:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #636E49 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 #636E49 in the contrast checker.
Colors That Go With #636E49
Pairings derived from color-wheel relationships. The complementary color sits opposite #636E49; 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 #636E49
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 #636E49.
How #636E49 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.
#636E49#6C6C49#696D49#6B6B49#686C49#676A6A#666C5F#6A6A6AUsing #636E49 in Code
Copy-ready declarations for the places this color usually ends up.
--color-636e49: #636E49;background-color: #636E49;colors: { 'color-636e49': '#636E49' }Color(red: 0.388, green: 0.431, blue: 0.286)<color name="color_636e49">#636E49</color>fill="#636E49"More Green Colors
#636E49 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#636E49 Frequently Asked Questions
What color is #636E49?
#636E49 is a dark green — rgb(99, 110, 73) in RGB and hsl(78, 20%, 36%) in HSL. It carries no registered color name of its own; the closest named color is Fatigue Green (#5B6238), which is clearly related but distinguishable side by side at a CIE76 distance of 6.01.
What is the RGB value of #636E49?
#636E49 is rgb(99, 110, 73) — red 99, green 110, and blue 73 on the 0-255 scale.
What is the CMYK value of #636E49?
#636E49 converts to approximately cmyk(10%, 0%, 34%, 57%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #636E49 be black or white?
White text is the more readable choice. #636E49 scores 5.44:1 against white and 3.86:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #636E49 as a CSS color keyword?
No. #636E49 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 13.3, which is visibly different.
Open #636E49 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.