HEX atlas value

#ACA215

#ACA215 is a warm yellow HEX color close to Acid Green. According to Colors Encyclopedia, it converts to RGB 172, 162, 21, HSL 56, 78%, 38%, has luminance 0.3467, and belongs to the vibrant group.

#ACA215 Sample readable text
HEX #ACA215
RGB rgb(172, 162, 21)
HSL hsl(56 78% 38%)
CMYK cmyk(0, 6, 88, 33)
Luminance 0.3467
Contrast Black 7.93:1White 2.65:1

CSS

--color-aca215: #ACA215;
.background-aca215 { background-color: #ACA215; }
.text-aca215 { color: #ACA215; }

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
Luminance0.3467
Black text7.93:1AA Pass
White text2.65:1AA 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":"#ACA215","rgb":[172,162,21],"hsl":[56,78,38],"cmyk":[0,6,88,33],"luminance":0.3467,"contrast":{"black":7.93,"white":2.65}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":7.93,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.65,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#E6DB37","hex":"#E6DB37","family":"yellow","bestTextColor":"#000000","contrastBlack":14.55,"contrastWhite":1.44,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#151FAC","hex":"#151FAC","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.82,"contrastWhite":11.51,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Peridot","hex":"#B4C424","family":"yellow","bestTextColor":"#000000","contrastBlack":10.86,"contrastWhite":1.93,"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"]},{"name":"#C2B500","hex":"#C2B500","family":"yellow","bestTextColor":"#000000","contrastBlack":9.9,"contrastWhite":2.12,"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/aca215.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json","https://www.colorsencyclopedia.com/api/colors/dark-goldenrod.json","https://www.colorsencyclopedia.com/api/colors/peridot.json"]}
Harmonies
{"complementary":"#151FAC","analogous":["#AC5715","#6BAC15"],"triadic":["#15ACA2","#A215AC"],"tetradic":["#15AC57","#151FAC","#AC156B"],"splitComplementary":["#156BAC","#5715AC"],"monochromatic":["#E6DB37","#ACA215","#5B550B"]}
Variants
{"light":"#E6DB37","dark":"#5B550B","saturated":"#C2B500","desaturated":"#97902B","pastel":"#DCD465","neon":"#EBDB00"}
Nearest named colors
[{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":29.698484809834994},{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":32.0624390837628},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":38.01315561749642},{"slug":"brass","name":"Brass","hex":"#B5A642","distance":46.06517122512408},{"slug":"brushed-brass","name":"Brushed Brass","hex":"#B5A642","distance":46.06517122512408}]

HEX meaning and use

About #ACA215

#ACA215 is classified as a warm yellow value with vibrant visual character. #ACA215 is visually closest to Acid Green, a named yellow color with HEX #B0BF1A.

The RGB channels are 172, 162, and 21, with red carrying the strongest channel weight. In HSL, the hue is 56deg with 78% 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 0.3467, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 29.70, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.93:1AA Pass
White text2.65:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #ACA215 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.93:1 · AAA
White text#FFFFFF2.65:1 · Fail

Accessible Alternatives

#E6DB37#000000 text · best 14.55:1#E6DB37
#151FAC#FFFFFF text · best 11.51:1#151FAC
Peridot#000000 text · best 10.86:1#B4C424
Acid Green#000000 text · best 10.31:1#B0BF1A
#C2B500#000000 text · best 9.9:1#C2B500

Generated Palette

#ACA215#ACA215
#151FAC#151FAC
#AC5715#AC5715
#6BAC15#6BAC15
#E6DB37#E6DB37
#5B550B#5B550B

Color Harmonies

#151FAC#151FAC
#AC5715#AC5715
#6BAC15#6BAC15
#15ACA2#15ACA2
#A215AC#A215AC

Variants

#E6DB37#E6DB37
#5B550B#5B550B
#C2B500#C2B500
#97902B#97902B
#DCD465#DCD465
#EBDB00#EBDB00

Nearest Named Colors