#634618 Color
#634618 is rgb(99, 70, 24) in RGB, hsl(37, 61%, 24%) in HSL, and about cmyk(0%, 29%, 76%, 61%) in CMYK. It has no registered color name of its own — the closest is Pullman Brown(ups Brown) (#644117), very hard to tell apart at ΔE 3.68. White text is the more readable choice on this background.
#634618rgb(99, 70, 24)hsl(37, 61%, 24%)hsv(37, 76%, 39%)cmyk(0%, 29%, 76%, 61%)oklch(41.7% 0.073 75.5)lab(32.31% 9.22 31.64)lch(32.31% 32.96 73.76)What #634618 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 #634618, 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 brown in the library.
#634618 Channel Values
How #634618 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 70 · B 24 | 8-bit channels as sent to the display |
| HSL | H 37° · S 61% · L 24% | Easiest model for building lighter and darker variants |
| HSV | H 37° · S 76% · V 39% | Matches the picker in most design tools |
| CMYK | C 0% · M 29% · Y 76% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.68:1 vs white · 2.42:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #634618 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 #634618 in the contrast checker.
Colors That Go With #634618
Pairings derived from color-wheel relationships. The complementary color sits opposite #634618; 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 #634618
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 #634618.
How #634618 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.
#634618#4C4C17#564A18#515115#594D16#654242#644436#4B4B4BUsing #634618 in Code
Copy-ready declarations for the places this color usually ends up.
--color-634618: #634618;background-color: #634618;colors: { 'color-634618': '#634618' }Color(red: 0.388, green: 0.275, blue: 0.094)<color name="color_634618">#634618</color>fill="#634618"More Brown Colors
#634618 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#634618 Frequently Asked Questions
What color is #634618?
#634618 is a dark brown — rgb(99, 70, 24) in RGB and hsl(37, 61%, 24%) in HSL. It carries no registered color name of its own; the closest named color is Pullman Brown(ups Brown) (#644117), which is very hard to tell apart at a CIE76 distance of 3.68.
What is the RGB value of #634618?
#634618 is rgb(99, 70, 24) — red 99, green 70, and blue 24 on the 0-255 scale.
What is the CMYK value of #634618?
#634618 converts to approximately cmyk(0%, 29%, 76%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #634618 be black or white?
White text is the more readable choice. #634618 scores 8.68:1 against white and 2.42:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #634618 as a CSS color keyword?
No. #634618 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 saddlebrown (#8B4513) at a CIE76 distance of 22.04, which is visibly different.
Open #634618 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.