HEX atlas value

#40F320

#40F320 is a cool green HEX color close to Neon Green. According to Colors Encyclopedia, it converts to RGB 64, 243, 32, HSL 111, 90%, 54%, has luminance 0.653, and belongs to the vibrant group.

green cool vibrant

#40F320 Sample readable text

HEX #40F320

RGB rgb(64, 243, 32)

HSL hsl(111 90% 54%)

CMYK cmyk(74, 0, 87, 5)

Luminance 0.653

Contrast Black 14.06:1White 1.49:1

CSS

--color-40f320: #40F320;
.background-40f320 { background-color: #40F320; }
.text-40f320 { color: #40F320; }

Luminance0.653

Black text14.06:1AA Pass

White text1.49:1AA 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":"#40F320","rgb":[64,243,32],"hsl":[111,90,54],"cmyk":[74,0,87,5],"luminance":0.653,"contrast":{"black":14.06,"white":1.49}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":14.06,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.49,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#8BF877","hex":"#8BF877","family":"green","bestTextColor":"#000000","contrastBlack":15.79,"contrastWhite":1.33,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#A9F320","hex":"#A9F320","family":"green","bestTextColor":"#000000","contrastBlack":15.53,"contrastWhite":1.35,"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":"#38FF14","hex":"#38FF14","family":"green","bestTextColor":"#000000","contrastBlack":15.48,"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","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/40f320.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/neon-green.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json"]}

Harmonies

{"complementary":"#D420F3","analogous":["#A9F320","#20F36A"],"triadic":["#2040F3","#F32040"],"tetradic":["#20A9F3","#D420F3","#F36A20"],"splitComplementary":["#6A20F3","#F320A9"],"monochromatic":["#8BF877","#40F320","#22AE09"]}

Variants

{"light":"#8BF877","dark":"#22AE09","saturated":"#38FF14","desaturated":"#52D93A","pastel":"#ADF2A1","neon":"#5AFF3D"}

Nearest named colors

[{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":18.35755975068582},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":40.3732584763727},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":44.31703961232068},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":57.97413216254298},{"slug":"fluorescent-green","name":"Fluorescent Green","hex":"#08FF08","distance":62.0966987850401}]

HEX meaning and use

About #40F320

#40F320 is classified as a cool green value with vibrant visual character. #40F320 is visually closest to Neon Green, a named green color with HEX #39FF14.

The RGB channels are 64, 243, and 32, with green carrying the strongest channel weight. In HSL, the hue is 111deg with 90% saturation and 54% 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 0.653, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.36, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text14.06:1AA Pass

White text1.49:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #40F320 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000014.06:1 · AAA

White text#FFFFFF1.49:1 · Fail

Accessible Alternatives

#8BF877#000000 text · best 15.79:1#8BF877

#A9F320#000000 text · best 15.53:1#A9F320

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

#38FF14#000000 text · best 15.48:1#38FF14

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

Generated Palette

#40F320#40F320

#D420F3#D420F3

#A9F320#A9F320

#20F36A#20F36A

#8BF877#8BF877

#22AE09#22AE09

Color Harmonies

#D420F3#D420F3

#A9F320#A9F320

#20F36A#20F36A

#2040F3#2040F3

#F32040#F32040

Variants

#8BF877#8BF877

#22AE09#22AE09

#38FF14#38FF14

#52D93A#52D93A

#ADF2A1#ADF2A1

#5AFF3D#5AFF3D

Nearest Named Colors

Neon Green#39FF14

Toxic Green#61DE2A

Lime Green#32CD32

Kelly Green#4CBB17

Fluorescent Green#08FF08

#40F320

CSS

Machine-Readable HEX Data (JSON)

About #40F320

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides