HEX atlas value

#1CE31F

#1CE31F is a cool green HEX color close to Lime Green. According to Colors Encyclopedia, it converts to RGB 28, 227, 31, HSL 121, 78%, 50%, has luminance 0.5528, and belongs to the vibrant group.

green cool vibrant

#1CE31F Sample readable text

HEX #1CE31F

RGB rgb(28, 227, 31)

HSL hsl(121 78% 50%)

CMYK cmyk(88, 0, 86, 11)

Luminance 0.5528

Contrast Black 12.06:1White 1.74:1

CSS

--color-1ce31f: #1CE31F;
.background-1ce31f { background-color: #1CE31F; }
.text-1ce31f { color: #1CE31F; }

Luminance0.5528

Black text12.06:1AA Pass

White text1.74:1AA 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":"#1CE31F","rgb":[28,227,31],"hsl":[121,78,50],"cmyk":[88,0,86,11],"luminance":0.5528,"contrast":{"black":12.06,"white":1.74}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":12.06,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.74,"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":"#00FF04","hex":"#00FF04","family":"green","bestTextColor":"#000000","contrastBlack":15.31,"contrastWhite":1.37,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Lime","hex":"#00FF00","family":"green","bestTextColor":"#000000","contrastBlack":15.3,"contrastWhite":1.37,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#6EED70","hex":"#6EED70","family":"green","bestTextColor":"#000000","contrastBlack":14.01,"contrastWhite":1.5,"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/1ce31f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json","https://www.colorsencyclopedia.com/api/colors/fluorescent-green.json","https://www.colorsencyclopedia.com/api/colors/neon-green.json"]}

Harmonies

{"complementary":"#E31CE0","analogous":["#7CE31C","#1CE383"],"triadic":["#1F1CE3","#E31F1C"],"tetradic":["#1C7CE3","#E31CE0","#E3831C"],"splitComplementary":["#831CE3","#E31C7C"],"monochromatic":["#6EED70","#1CE31F","#129114"]}

Variants

{"light":"#6EED70","dark":"#129114","saturated":"#00FF04","desaturated":"#38C73A","pastel":"#97E798","neon":"#29FF2C"}

Nearest named colors

[{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":36.45545226711637},{"slug":"fluorescent-green","name":"Fluorescent Green","hex":"#08FF08","distance":41.38840417314975},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":41.78516483155236},{"slug":"lime","name":"Lime","hex":"#00FF00","distance":50.28916384272063},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":62.99206299209449}]

HEX meaning and use

About #1CE31F

#1CE31F is classified as a cool green value with vibrant visual character. #1CE31F is visually closest to Lime Green, a named green color with HEX #32CD32.

The RGB channels are 28, 227, and 31, with green carrying the strongest channel weight. In HSL, the hue is 121deg with 78% 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 0.5528, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 36.46, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text12.06:1AA Pass

White text1.74:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1CE31F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000012.06:1 · AAA

White text#FFFFFF1.74:1 · Fail

Accessible Alternatives

Neon Green#000000 text · best 15.49:1#39FF14

Fluorescent Green#000000 text · best 15.32:1#08FF08

#00FF04#000000 text · best 15.31:1#00FF04

Lime#000000 text · best 15.3:1#00FF00

#6EED70#000000 text · best 14.01:1#6EED70

Generated Palette

#1CE31F#1CE31F

#E31CE0#E31CE0

#7CE31C#7CE31C

#1CE383#1CE383

#6EED70#6EED70

#129114#129114

Color Harmonies

#E31CE0#E31CE0

#7CE31C#7CE31C

#1CE383#1CE383

#1F1CE3#1F1CE3

#E31F1C#E31F1C

Variants

#6EED70#6EED70

#129114#129114

#00FF04#00FF04

#38C73A#38C73A

#97E798#97E798

#29FF2C#29FF2C

Nearest Named Colors

Lime Green#32CD32

Fluorescent Green#08FF08

Neon Green#39FF14

Lime#00FF00

Kelly Green#4CBB17

#1CE31F

CSS

Machine-Readable HEX Data (JSON)

About #1CE31F

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides