HEX atlas value

#91AA03

#91AA03 is a warm yellow HEX color close to Acid Green. According to Colors Encyclopedia, it converts to RGB 145, 170, 3, HSL 69, 97%, 34%, has luminance 0.3478, and belongs to the balanced group.

#91AA03 Sample readable text
HEX #91AA03
RGB rgb(145, 170, 3)
HSL hsl(69 97% 34%)
CMYK cmyk(15, 0, 98, 33)
Luminance 0.3478
Contrast Black 7.96:1White 2.64:1

CSS

--color-91aa03: #91AA03;
.background-91aa03 { background-color: #91AA03; }
.text-91aa03 { color: #91AA03; }

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
Luminance0.3478
Black text7.96:1AA Pass
White text2.64:1AA 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":"#91AA03","rgb":[145,170,3],"hsl":[69,97,34],"cmyk":[15,0,98,33],"luminance":0.3478,"contrast":{"black":7.96,"white":2.64}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":7.96,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.64,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#D8FB0E","hex":"#D8FB0E","family":"yellow","bestTextColor":"#000000","contrastBlack":17.72,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#1C03AB","hex":"#1C03AB","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.65,"contrastWhite":12.73,"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":"#455001","hex":"#455001","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":2.4,"contrastWhite":8.75,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm yellow","balanced","balanced yellow","Acid Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/91aa03.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json","https://www.colorsencyclopedia.com/api/colors/olive.json","https://www.colorsencyclopedia.com/api/colors/dark-goldenrod.json"]}
Harmonies
{"complementary":"#1C03AB","analogous":["#AB7003","#3DAB03"],"triadic":["#0392AB","#AB0392"],"tetradic":["#03AB70","#1C03AB","#AB033D"],"splitComplementary":["#033DAB","#7003AB"],"monochromatic":["#D8FB0E","#91AA03","#455001"]}
Variants
{"light":"#D8FB0E","dark":"#455001","saturated":"#93AD00","desaturated":"#849816","pastel":"#D2EC41","neon":"#B6D600"}
Nearest named colors
[{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":43.94314508543966},{"slug":"olive","name":"Olive","hex":"#808000","distance":45.40925015897091},{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":53.67494760127857},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":54.680892457969264},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":57.02630971753301}]

HEX meaning and use

About #91AA03

#91AA03 is classified as a warm yellow value with balanced visual character. #91AA03 is visually closest to Acid Green, a named yellow color with HEX #B0BF1A.

The RGB channels are 145, 170, and 3, with green carrying the strongest channel weight. In HSL, the hue is 69deg with 97% saturation and 34% 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 highlight and warning systems. Its luminance is 0.3478, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 43.94, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.96:1AA Pass
White text2.64:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #91AA03 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.96:1 · AAA
White text#FFFFFF2.64:1 · Fail

Accessible Alternatives

#D8FB0E#000000 text · best 17.72:1#D8FB0E
#1C03AB#FFFFFF text · best 12.73:1#1C03AB
Peridot#000000 text · best 10.86:1#B4C424
Acid Green#000000 text · best 10.31:1#B0BF1A
#455001#FFFFFF text · best 8.75:1#455001

Generated Palette

#91AA03#91AA03
#1C03AB#1C03AB
#AB7003#AB7003
#3DAB03#3DAB03
#D8FB0E#D8FB0E
#455001#455001

Color Harmonies

#1C03AB#1C03AB
#AB7003#AB7003
#3DAB03#3DAB03
#0392AB#0392AB
#AB0392#AB0392

Variants

#D8FB0E#D8FB0E
#455001#455001
#93AD00#93AD00
#849816#849816
#D2EC41#D2EC41
#B6D600#B6D600

Nearest Named Colors