HEX atlas value

#B8B31E

#B8B31E is a warm yellow HEX color close to Acid Green. According to Colors Encyclopedia, it converts to RGB 184, 179, 30, HSL 58, 72%, 42%, has luminance 0.4252, and belongs to the vibrant group.

yellow warm vibrant

#B8B31E Sample readable text

HEX #B8B31E

RGB rgb(184, 179, 30)

HSL hsl(58 72% 42%)

CMYK cmyk(0, 3, 84, 28)

Luminance 0.4252

Contrast Black 9.5:1White 2.21:1

CSS

--color-b8b31e: #B8B31E;
.background-b8b31e { background-color: #B8B31E; }
.text-b8b31e { color: #B8B31E; }

Luminance0.4252

Black text9.5:1AA Pass

White text2.21:1AA 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":"#B8B31E","rgb":[184,179,30],"hsl":[58,72,42],"cmyk":[0,3,84,28],"luminance":0.4252,"contrast":{"black":9.5,"white":2.21}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":9.5,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.21,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#E2DE50","hex":"#E2DE50","family":"yellow","bestTextColor":"#000000","contrastBlack":14.8,"contrastWhite":1.42,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#D0C906","hex":"#D0C906","family":"yellow","bestTextColor":"#000000","contrastBlack":12.04,"contrastWhite":1.74,"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":"#1E23B8","hex":"#1E23B8","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.99,"contrastWhite":10.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Old Gold","hex":"#CFB53B","family":"yellow","bestTextColor":"#000000","contrastBlack":10.33,"contrastWhite":2.03,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["warm yellow","vibrant","vibrant yellow","Acid Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/b8b31e.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json","https://www.colorsencyclopedia.com/api/colors/peridot.json","https://www.colorsencyclopedia.com/api/colors/goldenrod.json"]}

Harmonies

{"complementary":"#1E23B8","analogous":["#B8661E","#70B81E"],"triadic":["#1EB8B3","#B31EB8"],"tetradic":["#1EB866","#1E23B8","#B81E70"],"splitComplementary":["#1E70B8","#661EB8"],"monochromatic":["#E2DE50","#B8B31E","#696611"]}

Variants

{"light":"#E2DE50","dark":"#696611","saturated":"#D0C906","desaturated":"#A19D36","pastel":"#DBD87B","neon":"#FFF700"}

Nearest named colors

[{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":14.966629547095765},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":18.466185312619388},{"slug":"goldenrod","name":"Goldenrod","hex":"#DAA520","distance":36.823905279043935},{"slug":"old-gold","name":"Old Gold","hex":"#CFB53B","distance":37.067505985701274},{"slug":"brass","name":"Brass","hex":"#B5A642","distance":38.39270764090493}]

HEX meaning and use

About #B8B31E

#B8B31E is classified as a warm yellow value with vibrant visual character. #B8B31E is visually closest to Acid Green, a named yellow color with HEX #B0BF1A.

The RGB channels are 184, 179, and 30, with red carrying the strongest channel weight. In HSL, the hue is 58deg with 72% 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 0.4252, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 14.97, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text9.5:1AA Pass

White text2.21:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #B8B31E needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000009.5:1 · AAA

White text#FFFFFF2.21:1 · Fail

Accessible Alternatives

#E2DE50#000000 text · best 14.8:1#E2DE50

#D0C906#000000 text · best 12.04:1#D0C906

Peridot#000000 text · best 10.86:1#B4C424

#1E23B8#FFFFFF text · best 10.56:1#1E23B8

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

Generated Palette

#B8B31E#B8B31E

#1E23B8#1E23B8

#B8661E#B8661E

#70B81E#70B81E

#E2DE50#E2DE50

#696611#696611

Color Harmonies

#1E23B8#1E23B8

#B8661E#B8661E

#70B81E#70B81E

#1EB8B3#1EB8B3

#B31EB8#B31EB8

Variants

#E2DE50#E2DE50

#696611#696611

#D0C906#D0C906

#A19D36#A19D36

#DBD87B#DBD87B

Lemon#FFF700

Nearest Named Colors

Acid Green#B0BF1A

Peridot#B4C424

Goldenrod#DAA520

Old Gold#CFB53B

Brass#B5A642

#B8B31E

CSS

Machine-Readable HEX Data (JSON)

About #B8B31E

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides