HEX atlas value

#90FA05

#90FA05 is a cool green HEX color close to Chartreuse. According to Colors Encyclopedia, it converts to RGB 144, 250, 5, HSL 86, 96%, 50%, has luminance 0.7431, and belongs to the vibrant group.

green cool vibrant

#90FA05 Sample readable text

HEX #90FA05

RGB rgb(144, 250, 5)

HSL hsl(86 96% 50%)

CMYK cmyk(42, 0, 98, 2)

Luminance 0.7431

Contrast Black 15.86:1White 1.32:1

CSS

--color-90fa05: #90FA05;
.background-90fa05 { background-color: #90FA05; }
.text-90fa05 { color: #90FA05; }

Luminance0.7431

Black text15.86:1AA Pass

White text1.32:1AA 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":"#90FA05","rgb":[144,250,5],"hsl":[86,96,50],"cmyk":[42,0,98,2],"luminance":0.7431,"contrast":{"black":15.86,"white":1.32}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":15.86,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.32,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Electric Lime","hex":"#CCFF00","family":"green","bestTextColor":"#000000","contrastBlack":17.87,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#B8FC5F","hex":"#B8FC5F","family":"green","bestTextColor":"#000000","contrastBlack":17.13,"contrastWhite":1.23,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Green Yellow","hex":"#ADFF2F","family":"green","bestTextColor":"#000000","contrastBlack":17.12,"contrastWhite":1.23,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FAEA05","hex":"#FAEA05","family":"yellow","bestTextColor":"#000000","contrastBlack":16.84,"contrastWhite":1.25,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#91FF00","hex":"#91FF00","family":"green","bestTextColor":"#000000","contrastBlack":16.51,"contrastWhite":1.27,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["cool green","vibrant","vibrant green","Chartreuse 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/90fa05.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/chartreuse.json","https://www.colorsencyclopedia.com/api/colors/lawn-green.json","https://www.colorsencyclopedia.com/api/colors/green-yellow.json"]}

Harmonies

{"complementary":"#6F05FA","analogous":["#FAEA05","#15FA05"],"triadic":["#0590FA","#FA0590"],"tetradic":["#05FAEA","#6F05FA","#FA0515"],"splitComplementary":["#0515FA","#EA05FA"],"monochromatic":["#B8FC5F","#90FA05","#5CA003"]}

Variants

{"light":"#B8FC5F","dark":"#5CA003","saturated":"#91FF00","desaturated":"#8CDE21","pastel":"#C6F38C","neon":"#A2FF29"}

Nearest named colors

[{"slug":"chartreuse","name":"Chartreuse","hex":"#7FFF00","distance":18.411952639521967},{"slug":"lawn-green","name":"Lawn Green","hex":"#7CFC00","distance":20.71231517720798},{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":51.28352561983234},{"slug":"electric-lime","name":"Electric Lime","hex":"#CCFF00","distance":60.41522986797286},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":64.42049363362563}]

HEX meaning and use

About #90FA05

#90FA05 is classified as a cool green value with vibrant visual character. #90FA05 is visually closest to Chartreuse, a named green color with HEX #7FFF00.

The RGB channels are 144, 250, and 5, with green carrying the strongest channel weight. In HSL, the hue is 86deg with 96% 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 0.7431, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.41, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text15.86:1AA Pass

White text1.32:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #90FA05 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000015.86:1 · AAA

White text#FFFFFF1.32:1 · Fail

Accessible Alternatives

Electric Lime#000000 text · best 17.87:1#CCFF00

#B8FC5F#000000 text · best 17.13:1#B8FC5F

Green Yellow#000000 text · best 17.12:1#ADFF2F

#FAEA05#000000 text · best 16.84:1#FAEA05

#91FF00#000000 text · best 16.51:1#91FF00

Generated Palette

#90FA05#90FA05

#6F05FA#6F05FA

#FAEA05#FAEA05

#15FA05#15FA05

#B8FC5F#B8FC5F

#5CA003#5CA003

Color Harmonies

#6F05FA#6F05FA

#FAEA05#FAEA05

#15FA05#15FA05

#0590FA#0590FA

#FA0590#FA0590

Variants

#B8FC5F#B8FC5F

#5CA003#5CA003

#91FF00#91FF00

#8CDE21#8CDE21

#C6F38C#C6F38C

#A2FF29#A2FF29

Nearest Named Colors

Chartreuse#7FFF00

Lawn Green#7CFC00

Green Yellow#ADFF2F

Electric Lime#CCFF00

Yellow Green#9ACD32

#90FA05

CSS

Machine-Readable HEX Data (JSON)

About #90FA05

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides