HEX atlas value

#39E605

#39E605 is a cool green HEX color close to Neon Green. According to Colors Encyclopedia, it converts to RGB 57, 230, 5, HSL 106, 96%, 46%, has luminance 0.5747, and belongs to the vibrant group.

#39E605 Sample readable text
HEX #39E605
RGB rgb(57, 230, 5)
HSL hsl(106 96% 46%)
CMYK cmyk(75, 0, 98, 10)
Luminance 0.5747
Contrast Black 12.49:1White 1.68:1

CSS

--color-39e605: #39E605;
.background-39e605 { background-color: #39E605; }
.text-39e605 { color: #39E605; }

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
Luminance0.5747
Black text12.49:1AA Pass
White text1.68:1AA 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":"#39E605","rgb":[57,230,5],"hsl":[106,96,46],"cmyk":[75,0,98,10],"luminance":0.5747,"contrast":{"black":12.49,"white":1.68}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":12.49,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.68,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#74FB4B","hex":"#74FB4B","family":"green","bestTextColor":"#000000","contrastBlack":15.64,"contrastWhite":1.34,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Neon Green","hex":"#39FF14","family":"green","bestTextColor":"#000000","contrastBlack":15.49,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Fluorescent Green","hex":"#08FF08","family":"green","bestTextColor":"#000000","contrastBlack":15.32,"contrastWhite":1.37,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#AAE605","hex":"#AAE605","family":"green","bestTextColor":"#000000","contrastBlack":14.03,"contrastWhite":1.5,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#37EB00","hex":"#37EB00","family":"green","bestTextColor":"#000000","contrastBlack":13.05,"contrastWhite":1.61,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["cool green","vibrant","vibrant green","Neon Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/39e605.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/neon-green.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json"]}
Harmonies
{"complementary":"#B105E6","analogous":["#AAE605","#05E641"],"triadic":["#0539E6","#E60539"],"tetradic":["#05AAE6","#B105E6","#E64105"],"splitComplementary":["#4105E6","#E605AA"],"monochromatic":["#74FB4B","#39E605","#238C03"]}
Variants
{"light":"#74FB4B","dark":"#238C03","saturated":"#37EB00","desaturated":"#47CC1E","pastel":"#95F179","neon":"#4BFF14"}
Nearest named colors
[{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":29.154759474226502},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":50.33885179461288},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":51.95190083144215},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":55.072679252057455},{"slug":"fluorescent-green","name":"Fluorescent Green","hex":"#08FF08","distance":55.09083408335728}]

HEX meaning and use

About #39E605

#39E605 is classified as a cool green value with vibrant visual character. #39E605 is visually closest to Neon Green, a named green color with HEX #39FF14.

The RGB channels are 57, 230, and 5, with green carrying the strongest channel weight. In HSL, the hue is 106deg with 96% saturation and 46% 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 0.5747, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 29.15, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text12.49:1AA Pass
White text1.68:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #39E605 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000012.49:1 · AAA
White text#FFFFFF1.68:1 · Fail

Accessible Alternatives

#74FB4B#000000 text · best 15.64:1#74FB4B
Neon Green#000000 text · best 15.49:1#39FF14
Fluorescent Green#000000 text · best 15.32:1#08FF08
#AAE605#000000 text · best 14.03:1#AAE605
#37EB00#000000 text · best 13.05:1#37EB00

Generated Palette

#39E605#39E605
#B105E6#B105E6
#AAE605#AAE605
#05E641#05E641
#74FB4B#74FB4B
#238C03#238C03

Color Harmonies

#B105E6#B105E6
#AAE605#AAE605
#05E641#05E641
#0539E6#0539E6
#E60539#E60539

Variants

#74FB4B#74FB4B
#238C03#238C03
#37EB00#37EB00
#47CC1E#47CC1E
#95F179#95F179
#4BFF14#4BFF14

Nearest Named Colors