HEX atlas value

#00FF00

#00FF00 is a cool green HEX color close to Lime. According to Colors Encyclopedia, it converts to RGB 0, 255, 0, HSL 120, 100%, 50%, has luminance 0.7152, and belongs to the vibrant group.

green cool vibrant

#00FF00 Sample readable text

HEX #00FF00

RGB rgb(0, 255, 0)

HSL hsl(120 100% 50%)

CMYK cmyk(100, 0, 100, 0)

Luminance 0.7152

Contrast Black 15.3:1White 1.37:1

CSS

--color-00ff00: #00FF00;
.background-00ff00 { background-color: #00FF00; }
.text-00ff00 { color: #00FF00; }

Luminance0.7152

Black text15.3:1AA Pass

White text1.37:1AA 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":"#00FF00","rgb":[0,255,0],"hsl":[120,100,50],"cmyk":[100,0,100,0],"luminance":0.7152,"contrast":{"black":15.3,"white":1.37}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":15.3,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.37,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#80FF00","hex":"#80FF00","family":"green","bestTextColor":"#000000","contrastBlack":16.22,"contrastWhite":1.29,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#5CFF5C","hex":"#5CFF5C","family":"green","bestTextColor":"#000000","contrastBlack":15.91,"contrastWhite":1.32,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#00FF80","hex":"#00FF80","family":"green","bestTextColor":"#000000","contrastBlack":15.62,"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"]}]

AI context

{"semanticGroups":["cool green","vibrant","vibrant green","Lime 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/00ff00.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/lime.json","https://www.colorsencyclopedia.com/api/colors/fluorescent-green.json","https://www.colorsencyclopedia.com/api/colors/neon-green.json"]}

Harmonies

{"complementary":"#FF00FF","analogous":["#80FF00","#00FF80"],"triadic":["#0000FF","#FF0000"],"tetradic":["#007FFF","#FF00FF","#FF8000"],"splitComplementary":["#7F00FF","#FF0080"],"monochromatic":["#5CFF5C","#00FF00","#00A300"]}

Variants

{"light":"#5CFF5C","dark":"#00A300","saturated":"#00FF00","desaturated":"#1CE31C","pastel":"#89F589","neon":"#29FF29"}

Nearest named colors

[{"slug":"lime","name":"Lime","hex":"#00FF00","distance":0},{"slug":"fluorescent-green","name":"Fluorescent Green","hex":"#08FF08","distance":11.313708498984761},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":60.40695324215582},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":86.60254037844386},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":104.54185764563398}]

HEX meaning and use

About #00FF00

#00FF00 is classified as a cool green value with vibrant visual character. #00FF00 is visually closest to Lime, a named green color with HEX #00FF00.

The RGB channels are 0, 255, and 0, with green carrying the strongest channel weight. In HSL, the hue is 120deg with 100% 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 0.7152, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text15.3:1AA Pass

White text1.37:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #00FF00 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000015.3:1 · AAA

White text#FFFFFF1.37:1 · Fail

Accessible Alternatives

#80FF00#000000 text · best 16.22:1#80FF00

#5CFF5C#000000 text · best 15.91:1#5CFF5C

#00FF80#000000 text · best 15.62:1#00FF80

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

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

Generated Palette

Lime#00FF00

Magenta#FF00FF

#80FF00#80FF00

#00FF80#00FF80

#5CFF5C#5CFF5C

#00A300#00A300

Color Harmonies

Magenta#FF00FF

#80FF00#80FF00

#00FF80#00FF80

Blue#0000FF

Red#FF0000

Variants

#5CFF5C#5CFF5C

#00A300#00A300

Lime#00FF00

#1CE31C#1CE31C

#89F589#89F589

#29FF29#29FF29

Nearest Named Colors

Lime#00FF00

Fluorescent Green#08FF08

Neon Green#39FF14

Lime Green#32CD32

Kelly Green#4CBB17

#00FF00

CSS

Machine-Readable HEX Data (JSON)

About #00FF00

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides