HEX atlas value

#BBBE04

#BBBE04 is a warm yellow HEX color close to Acid Green. According to Colors Encyclopedia, it converts to RGB 187, 190, 4, HSL 61, 96%, 38%, has luminance 0.474, and belongs to the vibrant group.

yellow warm vibrant

#BBBE04 Sample readable text

HEX #BBBE04

RGB rgb(187, 190, 4)

HSL hsl(61 96% 38%)

CMYK cmyk(2, 0, 98, 25)

Luminance 0.474

Contrast Black 10.48:1White 2:1

CSS

--color-bbbe04: #BBBE04;
.background-bbbe04 { background-color: #BBBE04; }
.text-bbbe04 { color: #BBBE04; }

Luminance0.474

Black text10.48:1AA Pass

White text2:1AA 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":"#BBBE04","rgb":[187,190,4],"hsl":[61,96,38],"cmyk":[2,0,98,25],"luminance":0.474,"contrast":{"black":10.48,"white":2}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":10.48,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#F7FB23","hex":"#F7FB23","family":"yellow","bestTextColor":"#000000","contrastBlack":18.78,"contrastWhite":1.12,"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":"#0704BE","hex":"#0704BE","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.77,"contrastWhite":11.86,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#BFC200","hex":"#BFC200","family":"yellow","bestTextColor":"#000000","contrastBlack":10.93,"contrastWhite":1.92,"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"]}]

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","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/bbbe04.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/mustard-yellow.json"]}

Harmonies

{"complementary":"#0704BE","analogous":["#BE6404","#5EBE04"],"triadic":["#04BBBE","#BE04BB"],"tetradic":["#04BE64","#0704BE","#BE045E"],"splitComplementary":["#045EBE","#6404BE"],"monochromatic":["#F7FB23","#BBBE04","#626402"]}

Variants

{"light":"#F7FB23","dark":"#626402","saturated":"#BFC200","desaturated":"#A6A919","pastel":"#EBED54","neon":"#E7EB00"}

Nearest named colors

[{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":24.61706725018234},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":33.301651610693426},{"slug":"mustard-yellow","name":"Mustard Yellow","hex":"#E1AD01","distance":41.737273509418415},{"slug":"citrine","name":"Citrine","hex":"#E4D00A","distance":45.17742799230607},{"slug":"goldenrod","name":"Goldenrod","hex":"#DAA520","distance":48.68264577855234}]

HEX meaning and use

About #BBBE04

#BBBE04 is classified as a warm yellow value with vibrant visual character. #BBBE04 is visually closest to Acid Green, a named yellow color with HEX #B0BF1A.

The RGB channels are 187, 190, and 4, with green carrying the strongest channel weight. In HSL, the hue is 61deg with 96% saturation and 38% 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 0.474, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 24.62, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text10.48:1AA Pass

White text2:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #BBBE04 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000010.48:1 · AAA

White text#FFFFFF2:1 · Fail

Accessible Alternatives

#F7FB23#000000 text · best 18.78:1#F7FB23

Citrine#000000 text · best 13.33:1#E4D00A

#0704BE#FFFFFF text · best 11.86:1#0704BE

#BFC200#000000 text · best 10.93:1#BFC200

Peridot#000000 text · best 10.86:1#B4C424

Generated Palette

#BBBE04#BBBE04

#0704BE#0704BE

#BE6404#BE6404

#5EBE04#5EBE04

#F7FB23#F7FB23

#626402#626402

Color Harmonies

#0704BE#0704BE

#BE6404#BE6404

#5EBE04#5EBE04

#04BBBE#04BBBE

#BE04BB#BE04BB

Variants

#F7FB23#F7FB23

#626402#626402

#BFC200#BFC200

#A6A919#A6A919

#EBED54#EBED54

#E7EB00#E7EB00

Nearest Named Colors

Acid Green#B0BF1A

Peridot#B4C424

Mustard Yellow#E1AD01

Citrine#E4D00A

Goldenrod#DAA520

#BBBE04

CSS

Machine-Readable HEX Data (JSON)

About #BBBE04

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides