HEX atlas value

#C4B03B

#C4B03B is a warm yellow HEX color close to Old Gold. According to Colors Encyclopedia, it converts to RGB 196, 176, 59, HSL 51, 54%, 50%, has luminance 0.431, and belongs to the earth tone group.

yellow warm earth-tone

#C4B03B Sample readable text

HEX #C4B03B

RGB rgb(196, 176, 59)

HSL hsl(51 54% 50%)

CMYK cmyk(0, 10, 70, 23)

Luminance 0.431

Contrast Black 9.62:1White 2.18:1

CSS

--color-c4b03b: #C4B03B;
.background-c4b03b { background-color: #C4B03B; }
.text-c4b03b { color: #C4B03B; }

Luminance0.431

Black text9.62:1AA Pass

White text2.18:1AA Fail

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#C4B03B","rgb":[196,176,59],"hsl":[51,54,50],"cmyk":[0,10,70,23],"luminance":0.431,"contrast":{"black":9.62,"white":2.18}}

WCAG

{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":9.62,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.18,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#D9CC81","hex":"#D9CC81","family":"yellow","bestTextColor":"#000000","contrastBlack":12.9,"contrastWhite":1.63,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#E0C31F","hex":"#E0C31F","family":"yellow","bestTextColor":"#000000","contrastBlack":12,"contrastWhite":1.75,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Peridot","hex":"#B4C424","family":"yellow","bestTextColor":"#000000","contrastBlack":10.86,"contrastWhite":1.93,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Old Gold","hex":"#CFB53B","family":"yellow","bestTextColor":"#000000","contrastBlack":10.33,"contrastWhite":2.03,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#94C43B","hex":"#94C43B","family":"green","bestTextColor":"#000000","contrastBlack":10.22,"contrastWhite":2.06,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["warm yellow","earth tone","earth tone yellow","Old Gold adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/c4b03b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/old-gold.json","https://www.colorsencyclopedia.com/api/colors/brass.json","https://www.colorsencyclopedia.com/api/colors/brushed-brass.json"]}

Harmonies

{"complementary":"#3B4FC4","analogous":["#C46B3B","#94C43B"],"triadic":["#3BC4B0","#B03BC4"],"tetradic":["#3BC46B","#3B4FC4","#C43B94"],"splitComplementary":["#3B94C4","#6B3BC4"],"monochromatic":["#D9CC81","#C4B03B","#7E7026"]}

Variants

{"light":"#D9CC81","dark":"#7E7026","saturated":"#E0C31F","desaturated":"#A89C57","pastel":"#D8D1A6","neon":"#FFDF29"}

Nearest named colors

[{"slug":"old-gold","name":"Old Gold","hex":"#CFB53B","distance":12.083045973594572},{"slug":"brass","name":"Brass","hex":"#B5A642","distance":19.339079605813716},{"slug":"brushed-brass","name":"Brushed Brass","hex":"#B5A642","distance":19.339079605813716},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":34.42382895611701},{"slug":"goldenrod","name":"Goldenrod","hex":"#DAA520","distance":36.52396473549935}]

HEX meaning and use

About #C4B03B

#C4B03B is classified as a warm yellow value with earth tone visual character. #C4B03B is visually closest to Old Gold, a named yellow color with HEX #CFB53B.

The RGB channels are 196, 176, and 59, with red carrying the strongest channel weight. In HSL, the hue is 51deg with 54% saturation and 50% lightness, so this page treats it as a moderate-saturation, mid-lightness atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and natural palettes. Its luminance is 0.431, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 12.08, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text9.62:1AA Pass

White text2.18:1AA Fail

AA text options: #000000, #1A1A1A, #36454F.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #C4B03B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000009.62:1 · AAA

White text#FFFFFF2.18:1 · Fail

Accessible Alternatives

#D9CC81#000000 text · best 12.9:1#D9CC81

#E0C31F#000000 text · best 12:1#E0C31F

Peridot#000000 text · best 10.86:1#B4C424

Old Gold#000000 text · best 10.33:1#CFB53B

#94C43B#000000 text · best 10.22:1#94C43B

Generated Palette

#C4B03B#C4B03B

#3B4FC4#3B4FC4

#C46B3B#C46B3B

#94C43B#94C43B

#D9CC81#D9CC81

#7E7026#7E7026

Color Harmonies

#3B4FC4#3B4FC4

#C46B3B#C46B3B

#94C43B#94C43B

#3BC4B0#3BC4B0

#B03BC4#B03BC4

Variants

#D9CC81#D9CC81

#7E7026#7E7026

#E0C31F#E0C31F

#A89C57#A89C57

#D8D1A6#D8D1A6

#FFDF29#FFDF29

Nearest Named Colors

Old Gold#CFB53B

Brass#B5A642

Brushed Brass#B5A642

Peridot#B4C424

Goldenrod#DAA520

#C4B03B

CSS

Machine-Readable HEX Data (JSON)

About #C4B03B

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides