HEX atlas value

#3FDB24

#3FDB24 is a cool green HEX color close to Lime Green. According to Colors Encyclopedia, it converts to RGB 63, 219, 36, HSL 111, 72%, 50%, has luminance 0.5185, and belongs to the vibrant group.

#3FDB24 Sample readable text
HEX #3FDB24
RGB rgb(63, 219, 36)
HSL hsl(111 72% 50%)
CMYK cmyk(71, 0, 84, 14)
Luminance 0.5185
Contrast Black 11.37:1White 1.85:1

CSS

--color-3fdb24: #3FDB24;
.background-3fdb24 { background-color: #3FDB24; }
.text-3fdb24 { color: #3FDB24; }

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
Luminance0.5185
Black text11.37:1AA Pass
White text1.85:1AA 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":"#3FDB24","rgb":[63,219,36],"hsl":[111,72,50],"cmyk":[71,0,84,14],"luminance":0.5185,"contrast":{"black":11.37,"white":1.85}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":11.37,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.85,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"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":"#2CF708","hex":"#2CF708","family":"green","bestTextColor":"#000000","contrastBlack":14.41,"contrastWhite":1.46,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#84E873","hex":"#84E873","family":"green","bestTextColor":"#000000","contrastBlack":13.77,"contrastWhite":1.52,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#9BDB24","hex":"#9BDB24","family":"green","bestTextColor":"#000000","contrastBlack":12.55,"contrastWhite":1.67,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["cool green","vibrant","vibrant green","Lime 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/3fdb24.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json"]}
Harmonies
{"complementary":"#C024DB","analogous":["#9BDB24","#24DB64"],"triadic":["#243FDB","#DB243F"],"tetradic":["#249BDB","#C024DB","#DB6424"],"splitComplementary":["#6424DB","#DB249B"],"monochromatic":["#84E873","#3FDB24","#288C17"]}
Variants
{"light":"#84E873","dark":"#288C17","saturated":"#2CF708","desaturated":"#53BF40","pastel":"#A6E49B","neon":"#49FF29"}
Nearest named colors
[{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":23.68543856465402},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":34.655446902326915},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":36.90528417449187},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":39.84971769034255},{"slug":"fluorescent-green","name":"Fluorescent Green","hex":"#08FF08","distance":71.449282711585}]

HEX meaning and use

About #3FDB24

#3FDB24 is classified as a cool green value with vibrant visual character. #3FDB24 is visually closest to Lime Green, a named green color with HEX #32CD32.

The RGB channels are 63, 219, and 36, with green carrying the strongest channel weight. In HSL, the hue is 111deg with 72% saturation and 50% 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 0.5185, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 23.69, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text11.37:1AA Pass
White text1.85:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #3FDB24 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000011.37:1 · AAA
White text#FFFFFF1.85:1 · Fail

Accessible Alternatives

Neon Green#000000 text · best 15.49:1#39FF14
Fluorescent Green#000000 text · best 15.32:1#08FF08
#2CF708#000000 text · best 14.41:1#2CF708
#84E873#000000 text · best 13.77:1#84E873
#9BDB24#000000 text · best 12.55:1#9BDB24

Generated Palette

#3FDB24#3FDB24
#C024DB#C024DB
#9BDB24#9BDB24
#24DB64#24DB64
#84E873#84E873
#288C17#288C17

Color Harmonies

#C024DB#C024DB
#9BDB24#9BDB24
#24DB64#24DB64
#243FDB#243FDB
#DB243F#DB243F

Variants

#84E873#84E873
#288C17#288C17
#2CF708#2CF708
#53BF40#53BF40
#A6E49B#A6E49B
#49FF29#49FF29

Nearest Named Colors