#818311 Color

#818311 is rgb(129, 131, 17) in RGB, hsl(61, 77%, 29%) in HSL, and about cmyk(2%, 0%, 87%, 49%) in CMYK. It has no registered color name of its own — the closest is Olive (#808000), very hard to tell apart at ΔE 2.7. Black text is the more readable choice on this background.

#818311

HEX#818311

RGBrgb(129, 131, 17)

HSLhsl(61, 77%, 29%)

HSVhsv(61, 87%, 51%)

CMYKcmyk(2%, 0%, 87%, 49%)

OKLCHoklch(58.9% 0.124 110.8)

LABlab(53.16% -10.26 53.65)

LCHlch(53.16% 54.62 100.83)

What #818311 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 #818311, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Olive#808000ΔE 2.7 Olive Drab#6B8E23ΔE 15.12 Old Moss Green#867E36ΔE 15.6 Brass#B5A642ΔE 16.48 Khaki Green#728639ΔE 16.82 Citron#9FA91FΔE 16.96

Browse the full index of named colors A-Z or every yellow in the library.

#818311 Channel Values

How #818311 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 129 · G 131 · B 17	8-bit channels as sent to the display
HSL	H 61° · S 77% · L 29%	Easiest model for building lighter and darker variants
HSV	H 61° · S 87% · V 51%	Matches the picker in most design tools
CMYK	C 2% · M 0% · Y 87% · K 49%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	4.05:1 vs white · 5.19:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #818311 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.

Fails AAWhite text4.05:1AA normal AA large AAA normal

TextBlack text5.19:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #818311 in the contrast checker.

Colors That Go With #818311

Pairings derived from color-wheel relationships. The complementary color sits opposite #818311; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #818311

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.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #818311.

How #818311 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.

Typical#818311

Protanopia#838311

Protanomaly#828311

Deuteranopia#828211

Deuteranomaly#828311

Tritanopia#887B7B

Tritanomaly#857E62

Achromatopsia#7E7E7E

Test a full palette in the color blindness simulator.

Using #818311 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-818311: #818311;

CSS backgroundbackground-color: #818311;

Tailwind configcolors: { 'color-818311': '#818311' }

SwiftUIColor(red: 0.506, green: 0.514, blue: 0.067)

Android XML<color name="color_818311">#818311</color>

SVG fillfill="#818311"

More Yellow Colors

#818311 sits in the yellow family. These are its neighbours across that family's full range, each with its own breakdown.

181807 fffff5 1b1404 fffff0 1f1f00 ffffeb 242400 ffffe5 2a2913 ffffe0 2b2003 ffffd6 573a00 856514 b0a94f cc9900 e0e000 edeae0 f2f1e3 f8f3c9 fcfce8 ffcc00 fff000 ffff0f

#818311 Frequently Asked Questions

What color is #818311?

#818311 is a dark yellow — rgb(129, 131, 17) in RGB and hsl(61, 77%, 29%) in HSL. It carries no registered color name of its own; the closest named color is Olive (#808000), which is very hard to tell apart at a CIE76 distance of 2.7.

What is the RGB value of #818311?

#818311 is rgb(129, 131, 17) — red 129, green 131, and blue 17 on the 0-255 scale.

What is the CMYK value of #818311?

#818311 converts to approximately cmyk(2%, 0%, 87%, 49%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #818311 be black or white?

Black text is the more readable choice. #818311 scores 4.05:1 against white and 5.19:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #818311 as a CSS color keyword?

No. #818311 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 olive (#808000) at a CIE76 distance of 2.7, which is very hard to tell apart.

Open #818311 in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every yellow in the color library, the guide to shades of yellow, or the full color library.