HEX atlas value

#BDC43B

#BDC43B is a warm yellow HEX color close to Old Gold. According to Colors Encyclopedia, it converts to RGB 189, 196, 59, HSL 63, 54%, 50%, has luminance 0.5061, and belongs to the earth tone group.

#BDC43B Sample readable text
HEX #BDC43B
RGB rgb(189, 196, 59)
HSL hsl(63 54% 50%)
CMYK cmyk(4, 0, 70, 23)
Luminance 0.5061
Contrast Black 11.12:1White 1.89:1

CSS

--color-bdc43b: #BDC43B;
.background-bdc43b { background-color: #BDC43B; }
.text-bdc43b { color: #BDC43B; }

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
Luminance0.5061
Black text11.12:1AA Pass
White text1.89:1AA 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":"#BDC43B","rgb":[189,196,59],"hsl":[63,54,50],"cmyk":[4,0,70,23],"luminance":0.5061,"contrast":{"black":11.12,"white":1.89}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":11.12,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.89,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#D7E01F","hex":"#D7E01F","family":"yellow","bestTextColor":"#000000","contrastBlack":14.57,"contrastWhite":1.44,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#D5D981","hex":"#D5D981","family":"yellow","bestTextColor":"#000000","contrastBlack":14.07,"contrastWhite":1.49,"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","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/bdc43b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/old-gold.json","https://www.colorsencyclopedia.com/api/colors/peridot.json","https://www.colorsencyclopedia.com/api/colors/brass.json"]}
Harmonies
{"complementary":"#423BC4","analogous":["#C4863B","#79C43B"],"triadic":["#3BBDC4","#C43BBD"],"tetradic":["#3BC486","#423BC4","#C43B79"],"splitComplementary":["#3B79C4","#863BC4"],"monochromatic":["#D5D981","#BDC43B","#797E26"]}
Variants
{"light":"#D5D981","dark":"#797E26","saturated":"#D7E01F","desaturated":"#A4A857","pastel":"#D6D8A6","neon":"#F4FF29"}
Nearest named colors
[{"slug":"old-gold","name":"Old Gold","hex":"#CFB53B","distance":23.430749027719962},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":24.698178070456937},{"slug":"brass","name":"Brass","hex":"#B5A642","distance":31.827660925679098},{"slug":"brushed-brass","name":"Brushed Brass","hex":"#B5A642","distance":31.827660925679098},{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":35.81898937714463}]

HEX meaning and use

About #BDC43B

#BDC43B is classified as a warm yellow value with earth tone visual character. #BDC43B is visually closest to Old Gold, a named yellow color with HEX #CFB53B.

The RGB channels are 189, 196, and 59, with green carrying the strongest channel weight. In HSL, the hue is 63deg 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 0.5061, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 23.43, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text11.12:1AA Pass
White text1.89:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #BDC43B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000011.12:1 · AAA
White text#FFFFFF1.89:1 · Fail

Accessible Alternatives

#D7E01F#000000 text · best 14.57:1#D7E01F
#D5D981#000000 text · best 14.07:1#D5D981
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

#BDC43B#BDC43B
#423BC4#423BC4
#C4863B#C4863B
#79C43B#79C43B
#D5D981#D5D981
#797E26#797E26

Color Harmonies

#423BC4#423BC4
#C4863B#C4863B
#79C43B#79C43B
#3BBDC4#3BBDC4
#C43BBD#C43BBD

Variants

#D5D981#D5D981
#797E26#797E26
#D7E01F#D7E01F
#A4A857#A4A857
#D6D8A6#D6D8A6
#F4FF29#F4FF29

Nearest Named Colors