#40430A Color
#40430A is rgb(64, 67, 10) in RGB, hsl(63, 74%, 15%) in HSL, and about cmyk(4%, 0%, 85%, 74%) in CMYK. It has no registered color name of its own — the closest is Army Green (#4B5320), clearly related but distinguishable side by side at ΔE 7.58. White text is the more readable choice on this background.
#40430Argb(64, 67, 10)hsl(63, 74%, 15%)hsv(63, 85%, 26%)cmyk(4%, 0%, 85%, 74%)oklch(36.8% 0.075 112.6)lab(27.25% -7.20 31.34)lch(27.25% 32.16 102.94)What #40430A 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 #40430A, 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.
#40430A Channel Values
How #40430A 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 67 · B 10 | 8-bit channels as sent to the display |
| HSL | H 63° · S 74% · L 15% | Easiest model for building lighter and darker variants |
| HSV | H 63° · S 85% · V 26% | Matches the picker in most design tools |
| CMYK | C 4% · M 0% · Y 85% · K 74% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.37:1 vs white · 2.03:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #40430A 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 #40430A in the contrast checker.
Colors That Go With #40430A
Pairings derived from color-wheel relationships. The complementary color sits opposite #40430A; 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 #40430A
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 #40430A.
How #40430A 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.
#40430A#42420A#42430A#42420A#41420A#443F3F#434131#404040Using #40430A in Code
Copy-ready declarations for the places this color usually ends up.
--color-40430a: #40430A;background-color: #40430A;colors: { 'color-40430a': '#40430A' }Color(red: 0.251, green: 0.263, blue: 0.039)<color name="color_40430a">#40430A</color>fill="#40430A"More Yellow Colors
#40430A sits in the yellow family. These are its neighbours across that family's full range, each with its own breakdown.
#40430A Frequently Asked Questions
What color is #40430A?
#40430A is a darkest yellow — rgb(64, 67, 10) in RGB and hsl(63, 74%, 15%) in HSL. It carries no registered color name of its own; the closest named color is Army Green (#4B5320), which is clearly related but distinguishable side by side at a CIE76 distance of 7.58.
What is the RGB value of #40430A?
#40430A is rgb(64, 67, 10) — red 64, green 67, and blue 10 on the 0-255 scale.
What is the CMYK value of #40430A?
#40430A converts to approximately cmyk(4%, 0%, 85%, 74%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #40430A be black or white?
White text is the more readable choice. #40430A scores 10.37:1 against white and 2.03:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #40430A as a CSS color keyword?
No. #40430A 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 17.72, which is visibly different.
Open #40430A in a Tool
Keep exploring: every yellow in the color library, the guide to shades of yellow, or the full color library.