HEX atlas value

#99BE04

#99BE04 is a cool green HEX color close to Acid Green. According to Colors Encyclopedia, it converts to RGB 153, 190, 4, HSL 72, 96%, 38%, has luminance 0.4361, and belongs to the vibrant and jewel tone groups.

green cool vibrant jewel-tone

#99BE04 Sample readable text

HEX #99BE04

RGB rgb(153, 190, 4)

HSL hsl(72 96% 38%)

CMYK cmyk(19, 0, 98, 25)

Luminance 0.4361

Contrast Black 9.72:1White 2.16:1

CSS

--color-99be04: #99BE04;
.background-99be04 { background-color: #99BE04; }
.text-99be04 { color: #99BE04; }

Luminance0.4361

Black text9.72:1AA Pass

White text2.16:1AA 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":"#99BE04","rgb":[153,190,4],"hsl":[72,96,38],"cmyk":[19,0,98,25],"luminance":0.4361,"contrast":{"black":9.72,"white":2.16}}

WCAG

{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":9.72,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.16,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#CFFB23","hex":"#CFFB23","family":"green","bestTextColor":"#000000","contrastBlack":17.48,"contrastWhite":1.2,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#2904BE","hex":"#2904BE","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.86,"contrastWhite":11.31,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Yellow Green","hex":"#9ACD32","family":"green","bestTextColor":"#000000","contrastBlack":11.15,"contrastWhite":1.88,"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":"Acid Green","hex":"#B0BF1A","family":"yellow","bestTextColor":"#000000","contrastBlack":10.31,"contrastWhite":2.04,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","vibrant","jewel tone","vibrant green","jewel tone green","Acid Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/99be04.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/yellow-green.json"]}

Harmonies

{"complementary":"#2904BE","analogous":["#BE8604","#3CBE04"],"triadic":["#0499BE","#BE0499"],"tetradic":["#04BE86","#2904BE","#BE043C"],"splitComplementary":["#043CBE","#8604BE"],"monochromatic":["#CFFB23","#99BE04","#506402"]}

Variants

{"light":"#CFFB23","dark":"#506402","saturated":"#9BC200","desaturated":"#8CA919","pastel":"#CFED54","neon":"#BCEB00"}

Nearest named colors

[{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":31.843366656181317},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":42.2965719651132},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":48.394214530251446},{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":64.389440128021},{"slug":"olive","name":"Olive","hex":"#808000","distance":66.97014260101288}]

HEX meaning and use

About #99BE04

#99BE04 is classified as a cool green value with vibrant and jewel tone visual character. #99BE04 is visually closest to Acid Green, a named yellow color with HEX #B0BF1A.

The RGB channels are 153, 190, and 4, with green carrying the strongest channel weight. In HSL, the hue is 72deg with 96% 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 rich accent palettes. Its luminance is 0.4361, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 31.84, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text9.72:1AA Pass

White text2.16:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #99BE04 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000009.72:1 · AAA

White text#FFFFFF2.16:1 · Fail

Accessible Alternatives

#CFFB23#000000 text · best 17.48:1#CFFB23

#2904BE#FFFFFF text · best 11.31:1#2904BE

Yellow Green#000000 text · best 11.15:1#9ACD32

Peridot#000000 text · best 10.86:1#B4C424

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

Generated Palette

#99BE04#99BE04

#2904BE#2904BE

#BE8604#BE8604

#3CBE04#3CBE04

#CFFB23#CFFB23

#506402#506402

Color Harmonies

#2904BE#2904BE

#BE8604#BE8604

#3CBE04#3CBE04

#0499BE#0499BE

#BE0499#BE0499

Variants

#CFFB23#CFFB23

#506402#506402

#9BC200#9BC200

#8CA919#8CA919

#CFED54#CFED54

#BCEB00#BCEB00

Nearest Named Colors

Acid Green#B0BF1A

Peridot#B4C424

Yellow Green#9ACD32

Dark Goldenrod#B8860B

Olive#808000

#99BE04

CSS

Machine-Readable HEX Data (JSON)

About #99BE04

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides