HEX atlas value

#ACAA15

#ACAA15 is a warm yellow HEX color close to Acid Green. According to Colors Encyclopedia, it converts to RGB 172, 170, 21, HSL 59, 78%, 38%, has luminance 0.3757, and belongs to the vibrant group.

yellow warm vibrant

#ACAA15 Sample readable text

HEX #ACAA15

RGB rgb(172, 170, 21)

HSL hsl(59 78% 38%)

CMYK cmyk(0, 1, 88, 33)

Luminance 0.3757

Contrast Black 8.51:1White 2.47:1

CSS

--color-acaa15: #ACAA15;
.background-acaa15 { background-color: #ACAA15; }
.text-acaa15 { color: #ACAA15; }

Luminance0.3757

Black text8.51:1AA Pass

White text2.47:1AA 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":"#ACAA15","rgb":[172,170,21],"hsl":[59,78,38],"cmyk":[0,1,88,33],"luminance":0.3757,"contrast":{"black":8.51,"white":2.47}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":8.51,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.47,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#E6E337","hex":"#E6E337","family":"yellow","bestTextColor":"#000000","contrastBlack":15.41,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#1518AC","hex":"#1518AC","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.76,"contrastWhite":11.95,"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":"#C2BF00","hex":"#C2BF00","family":"yellow","bestTextColor":"#000000","contrastBlack":10.75,"contrastWhite":1.95,"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","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/acaa15.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/dark-goldenrod.json"]}

Harmonies

{"complementary":"#1518AC","analogous":["#AC5E15","#63AC15"],"triadic":["#15ACAA","#AA15AC"],"tetradic":["#15AC5E","#1518AC","#AC1563"],"splitComplementary":["#1563AC","#5E15AC"],"monochromatic":["#E6E337","#ACAA15","#5B590B"]}

Variants

{"light":"#E6E337","dark":"#5B590B","saturated":"#C2BF00","desaturated":"#97952B","pastel":"#DCDA65","neon":"#EBE700"}

Nearest named colors

[{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":21.95449840010015},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":31.064449134018133},{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":39.242833740697165},{"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 #ACAA15

#ACAA15 is classified as a warm yellow value with vibrant visual character. #ACAA15 is visually closest to Acid Green, a named yellow color with HEX #B0BF1A.

The RGB channels are 172, 170, and 21, with red carrying the strongest channel weight. In HSL, the hue is 59deg 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 0.3757, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 21.95, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text8.51:1AA Pass

White text2.47:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #ACAA15 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000008.51:1 · AAA

White text#FFFFFF2.47:1 · Fail

Accessible Alternatives

#E6E337#000000 text · best 15.41:1#E6E337

#1518AC#FFFFFF text · best 11.95:1#1518AC

Peridot#000000 text · best 10.86:1#B4C424

#C2BF00#000000 text · best 10.75:1#C2BF00

Acid Green#000000 text · best 10.31:1#B0BF1A

Generated Palette

#ACAA15#ACAA15

#1518AC#1518AC

#AC5E15#AC5E15

#63AC15#63AC15

#E6E337#E6E337

#5B590B#5B590B

Color Harmonies

#1518AC#1518AC

#AC5E15#AC5E15

#63AC15#63AC15

#15ACAA#15ACAA

#AA15AC#AA15AC

Variants

#E6E337#E6E337

#5B590B#5B590B

#C2BF00#C2BF00

#97952B#97952B

#DCDA65#DCDA65

#EBE700#EBE700

Nearest Named Colors

Acid Green#B0BF1A

Peridot#B4C424

Dark Goldenrod#B8860B

Brass#B5A642

Brushed Brass#B5A642

#ACAA15

CSS

Machine-Readable HEX Data (JSON)

About #ACAA15

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides