HEX atlas value

#CBB50B

#CBB50B is a warm yellow HEX color close to Mustard Yellow. According to Colors Encyclopedia, it converts to RGB 203, 181, 11, HSL 53, 90%, 42%, has luminance 0.4577, and belongs to the vibrant group.

yellow warm vibrant

#CBB50B Sample readable text

HEX #CBB50B

RGB rgb(203, 181, 11)

HSL hsl(53 90% 42%)

CMYK cmyk(0, 11, 95, 20)

Luminance 0.4577

Contrast Black 10.15:1White 2.07:1

CSS

--color-cbb50b: #CBB50B;
.background-cbb50b { background-color: #CBB50B; }
.text-cbb50b { color: #CBB50B; }

Luminance0.4577

Black text10.15:1AA Pass

White text2.07:1AA 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":"#CBB50B","rgb":[203,181,11],"hsl":[53,90,42],"cmyk":[0,11,95,20],"luminance":0.4577,"contrast":{"black":10.15,"white":2.07}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":10.15,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.07,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#F5DF3D","hex":"#F5DF3D","family":"yellow","bestTextColor":"#000000","contrastBlack":15.5,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Citrine","hex":"#E4D00A","family":"yellow","bestTextColor":"#000000","contrastBlack":13.33,"contrastWhite":1.58,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#D6BD00","hex":"#D6BD00","family":"yellow","bestTextColor":"#000000","contrastBlack":11.14,"contrastWhite":1.89,"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":"#82CB0B","hex":"#82CB0B","family":"green","bestTextColor":"#000000","contrastBlack":10.5,"contrastWhite":2,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["warm yellow","vibrant","vibrant yellow","Mustard Yellow adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/cbb50b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/mustard-yellow.json","https://www.colorsencyclopedia.com/api/colors/goldenrod.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json"]}

Harmonies

{"complementary":"#0B21CB","analogous":["#CB550B","#82CB0B"],"triadic":["#0BCBB5","#B50BCB"],"tetradic":["#0BCB55","#0B21CB","#CB0B82"],"splitComplementary":["#0B82CB","#550BCB"],"monochromatic":["#F5DF3D","#CBB50B","#746706"]}

Variants

{"light":"#F5DF3D","dark":"#746706","saturated":"#D6BD00","desaturated":"#B4A322","pastel":"#EADB6C","neon":"#FFE100"}

Nearest named colors

[{"slug":"mustard-yellow","name":"Mustard Yellow","hex":"#E1AD01","distance":25.45584412271571},{"slug":"goldenrod","name":"Goldenrod","hex":"#DAA520","distance":30.364452901377952},{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":32.46536616149585},{"slug":"citrine","name":"Citrine","hex":"#E4D00A","distance":36.810324638611924},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":37.134889255254286}]

HEX meaning and use

About #CBB50B

#CBB50B is classified as a warm yellow value with vibrant visual character. #CBB50B is visually closest to Mustard Yellow, a named yellow color with HEX #E1AD01.

The RGB channels are 203, 181, and 11, with red carrying the strongest channel weight. In HSL, the hue is 53deg with 90% saturation and 42% lightness, so this page treats it as a high-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 high-energy accents. Its luminance is 0.4577, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 25.46, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text10.15:1AA Pass

White text2.07:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #CBB50B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000010.15:1 · AAA

White text#FFFFFF2.07:1 · Fail

Accessible Alternatives

#F5DF3D#000000 text · best 15.5:1#F5DF3D

Citrine#000000 text · best 13.33:1#E4D00A

#D6BD00#000000 text · best 11.14:1#D6BD00

Peridot#000000 text · best 10.86:1#B4C424

#82CB0B#000000 text · best 10.5:1#82CB0B

Generated Palette

#CBB50B#CBB50B

#0B21CB#0B21CB

#CB550B#CB550B

#82CB0B#82CB0B

#F5DF3D#F5DF3D

#746706#746706

Color Harmonies

#0B21CB#0B21CB

#CB550B#CB550B

#82CB0B#82CB0B

#0BCBB5#0BCBB5

#B50BCB#B50BCB

Variants

#F5DF3D#F5DF3D

#746706#746706

#D6BD00#D6BD00

#B4A322#B4A322

#EADB6C#EADB6C

#FFE100#FFE100

Nearest Named Colors

Mustard Yellow#E1AD01

Goldenrod#DAA520

Acid Green#B0BF1A

Citrine#E4D00A

Peridot#B4C424

#CBB50B

CSS

Machine-Readable HEX Data (JSON)

About #CBB50B

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides