Colors Encyclopedia

HEX atlas value

#BBC43B

#BBC43B is a warm yellow HEX color close to Peridot. According to Colors Encyclopedia, it converts to RGB 187, 196, 59, HSL 64, 54%, 50%, has luminance 0.5036, and belongs to the earth tone group.

yellowwarmearth-tone
#BBC43B Sample readable text
HEX #BBC43B
RGB rgb(187, 196, 59)
HSL hsl(64 54% 50%)
CMYK cmyk(5, 0, 70, 23)
Luminance 0.5036
Contrast Black 11.07:1White 1.9:1

CSS

--color-bbc43b: #BBC43B;
.background-bbc43b { background-color: #BBC43B; }
.text-bbc43b { color: #BBC43B; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.5036
Black text11.07:1AA Pass
White text1.9:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#BBC43B","rgb":[187,196,59],"hsl":[64,54,50],"cmyk":[5,0,70,23],"luminance":0.5036,"contrast":{"black":11.07,"white":1.9}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":11.07,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.9,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#D3E01F","hex":"#D3E01F","family":"yellow","bestTextColor":"#000000","contrastBlack":14.45,"contrastWhite":1.45,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#D4D981","hex":"#D4D981","family":"yellow","bestTextColor":"#000000","contrastBlack":14.04,"contrastWhite":1.5,"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":"Acid Green","hex":"#B0BF1A","family":"yellow","bestTextColor":"#000000","contrastBlack":10.31,"contrastWhite":2.04,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["warm yellow","earth tone","earth tone yellow","Peridot 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/bbc43b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/peridot.json","https://www.colorsencyclopedia.com/api/colors/old-gold.json","https://www.colorsencyclopedia.com/api/colors/brass.json"]}
Harmonies
{"complementary":"#443BC4","analogous":["#C4893B","#76C43B"],"triadic":["#3BBBC4","#C43BBB"],"tetradic":["#3BC489","#443BC4","#C43B76"],"splitComplementary":["#3B76C4","#893BC4"],"monochromatic":["#D4D981","#BBC43B","#787E26"]}
Variants
{"light":"#D4D981","dark":"#787E26","saturated":"#D3E01F","desaturated":"#A3A857","pastel":"#D5D8A6","neon":"#F1FF29"}
Nearest named colors
[{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":24.041630560342615},{"slug":"old-gold","name":"Old Gold","hex":"#CFB53B","distance":25},{"slug":"brass","name":"Brass","hex":"#B5A642","distance":31.38470965295043},{"slug":"brushed-brass","name":"Brushed Brass","hex":"#B5A642","distance":31.38470965295043},{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":35.14256678161116}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #BBC43B

#BBC43B is classified as a warm yellow value with earth tone visual character. #BBC43B is visually closest to Peridot, a named yellow color with HEX #B4C424.

The RGB channels are 187, 196, and 59, with green carrying the strongest channel weight. In HSL, the hue is 64deg 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 0.5036, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 24.04, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text11.07:1AA Pass
White text1.9:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #BBC43B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000011.07:1 · AAA
White text#FFFFFF1.9:1 · Fail

Accessible Alternatives

#D3E01F#000000 text · best 14.45:1#D3E01F
#D4D981#000000 text · best 14.04:1#D4D981
Peridot#000000 text · best 10.86:1#B4C424
Old Gold#000000 text · best 10.33:1#CFB53B
Acid Green#000000 text · best 10.31:1#B0BF1A

Generated Palette

#BBC43B#BBC43B
#443BC4#443BC4
#C4893B#C4893B
#76C43B#76C43B
#D4D981#D4D981
#787E26#787E26

Color Harmonies

#443BC4#443BC4
#C4893B#C4893B
#76C43B#76C43B
#3BBBC4#3BBBC4
#C43BBB#C43BBB

Variants

#D4D981#D4D981
#787E26#787E26
#D3E01F#D3E01F
#A3A857#A3A857
#D5D8A6#D5D8A6
#F1FF29#F1FF29

Nearest Named Colors

Peridot#B4C424
Old Gold#CFB53B
Brass#B5A642
Brushed Brass#B5A642
Acid Green#B0BF1A

Related HEX Guides

Peridot colorOpen the nearest named color reference for #B4C424.Old Gold colorOpen the nearest named color reference for #CFB53B.Brass colorOpen the nearest named color reference for #B5A642.Yellow color familyBrowse named yellow colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Earth Tone colorsFind colors in the earth tone group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#BBC43B APIOpen the machine-readable JSON record for this HEX value.