#664129 Color
#664129 is rgb(102, 65, 41) in RGB, hsl(24, 43%, 28%) in HSL, and about cmyk(0%, 36%, 60%, 60%) in CMYK. It has no registered color name of its own — the closest is Van Dyke Brown (#664228), below the threshold most people can see at ΔE 1.14. White text is the more readable choice on this background.
#664129rgb(102, 65, 41)hsl(24, 43%, 28%)hsv(24, 60%, 40%)cmyk(0%, 36%, 60%, 60%)oklch(41.2% 0.063 53.1)lab(31.53% 14.52 21.47)lch(31.53% 25.92 55.94)What #664129 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 #664129, 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.
#664129 Channel Values
How #664129 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 102 · G 65 · B 41 | 8-bit channels as sent to the display |
| HSL | H 24° · S 43% · L 28% | Easiest model for building lighter and darker variants |
| HSV | H 24° · S 60% · V 40% | Matches the picker in most design tools |
| CMYK | C 0% · M 36% · Y 60% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.92:1 vs white · 2.35:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #664129 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 #664129 in the contrast checker.
Colors That Go With #664129
Pairings derived from color-wheel relationships. The complementary color sits opposite #664129; 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 #664129
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 #664129.
How #664129 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.
#664129#494929#564629#505027#594A28#673F3F#674037#4A4A4AUsing #664129 in Code
Copy-ready declarations for the places this color usually ends up.
--color-664129: #664129;background-color: #664129;colors: { 'color-664129': '#664129' }Color(red: 0.400, green: 0.255, blue: 0.161)<color name="color_664129">#664129</color>fill="#664129"More Brown Colors
#664129 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#664129 Frequently Asked Questions
What color is #664129?
#664129 is a dark brown — rgb(102, 65, 41) in RGB and hsl(24, 43%, 28%) in HSL. It carries no registered color name of its own; the closest named color is Van Dyke Brown (#664228), which is below the threshold most people can see at a CIE76 distance of 1.14.
What is the RGB value of #664129?
#664129 is rgb(102, 65, 41) — red 102, green 65, and blue 41 on the 0-255 scale.
What is the CMYK value of #664129?
#664129 converts to approximately cmyk(0%, 36%, 60%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #664129 be black or white?
White text is the more readable choice. #664129 scores 8.92:1 against white and 2.35:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #664129 as a CSS color keyword?
No. #664129 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 25.07, which is a different colour altogether.
Open #664129 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.