#635F03 Color

#635F03 is rgb(99, 95, 3) in RGB, hsl(58, 94%, 20%) in HSL, and about cmyk(0%, 4%, 97%, 61%) in CMYK. It has no registered color name of its own — the closest is Antique Bronze (#665D1E), clearly related but distinguishable side by side at ΔE 9.66. White text is the more readable choice on this background.

#635F03

HEX#635F03

RGBrgb(99, 95, 3)

HSLhsl(58, 94%, 20%)

HSVhsv(58, 97%, 39%)

CMYKcmyk(0%, 4%, 97%, 61%)

OKLCHoklch(47.4% 0.1 106.8)

LABlab(39.56% -5.65 45.02)

LCHlch(39.56% 45.37 97.15)

What #635F03 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 #635F03, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Antique Bronze#665D1EΔE 9.66 Mustard Green#6E6E30ΔE 12.6 Spanish Bister(spanish Bistre)#807532ΔE 12.61 Old Moss Green#867E36ΔE 14.1 Xander#44500CΔE 14.29 Field Drab#6C541EΔE 15.77

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

#635F03 Channel Values

How #635F03 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 95 · B 3	8-bit channels as sent to the display
HSL	H 58° · S 94% · L 20%	Easiest model for building lighter and darker variants
HSV	H 58° · S 97% · V 39%	Matches the picker in most design tools
CMYK	C 0% · M 4% · Y 97% · K 61%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	6.63:1 vs white · 3.17:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #635F03 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.

TextWhite text6.63:1AA normal AA large AAA normal

Fails AABlack text3.17:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #635F03 in the contrast checker.

Colors That Go With #635F03

Pairings derived from color-wheel relationships. The complementary color sits opposite #635F03; 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 #635F03

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 #635F03.

How #635F03 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#635F03

Protanopia#606003

Protanomaly#615F03

Deuteranopia#606002

Deuteranomaly#616002

Tritanopia#685959

Tritanomaly#665C46

Achromatopsia#5D5D5D

Test a full palette in the color blindness simulator.

Using #635F03 in Code

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

CSS custom property--color-635f03: #635F03;

CSS backgroundbackground-color: #635F03;

Tailwind configcolors: { 'color-635f03': '#635F03' }

SwiftUIColor(red: 0.388, green: 0.373, blue: 0.012)

Android XML<color name="color_635f03">#635F03</color>

SVG fillfill="#635F03"

More Yellow Colors

#635F03 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

#635F03 Frequently Asked Questions

What color is #635F03?

#635F03 is a dark yellow — rgb(99, 95, 3) in RGB and hsl(58, 94%, 20%) in HSL. It carries no registered color name of its own; the closest named color is Antique Bronze (#665D1E), which is clearly related but distinguishable side by side at a CIE76 distance of 9.66.

What is the RGB value of #635F03?

#635F03 is rgb(99, 95, 3) — red 99, green 95, and blue 3 on the 0-255 scale.

What is the CMYK value of #635F03?

#635F03 converts to approximately cmyk(0%, 4%, 97%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #635F03 be black or white?

White text is the more readable choice. #635F03 scores 6.63:1 against white and 3.17:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #635F03 as a CSS color keyword?

No. #635F03 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 17.15, which is visibly different.

Open #635F03 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.