HEX atlas value

#9DEC27

#9DEC27 is a cool green HEX color close to Green Yellow. According to Colors Encyclopedia, it converts to RGB 157, 236, 39, HSL 84, 84%, 54%, has luminance 0.6731, and belongs to the vibrant group.

green cool vibrant

#9DEC27 Sample readable text

HEX #9DEC27

RGB rgb(157, 236, 39)

HSL hsl(84 84% 54%)

CMYK cmyk(33, 0, 83, 7)

Luminance 0.6731

Contrast Black 14.46:1White 1.45:1

CSS

--color-9dec27: #9DEC27;
.background-9dec27 { background-color: #9DEC27; }
.text-9dec27 { color: #9DEC27; }

Luminance0.6731

Black text14.46:1AA Pass

White text1.45:1AA 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":"#9DEC27","rgb":[157,236,39],"hsl":[84,84,54],"cmyk":[33,0,83,7],"luminance":0.6731,"contrast":{"black":14.46,"white":1.45}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":14.46,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.45,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Green Yellow","hex":"#ADFF2F","family":"green","bestTextColor":"#000000","contrastBlack":17.12,"contrastWhite":1.23,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#A1FF14","hex":"#A1FF14","family":"green","bestTextColor":"#000000","contrastBlack":16.83,"contrastWhite":1.25,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#C4F47C","hex":"#C4F47C","family":"green","bestTextColor":"#000000","contrastBlack":16.58,"contrastWhite":1.27,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Chartreuse","hex":"#7FFF00","family":"green","bestTextColor":"#000000","contrastBlack":16.21,"contrastWhite":1.3,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#ECD927","hex":"#ECD927","family":"yellow","bestTextColor":"#000000","contrastBlack":14.52,"contrastWhite":1.45,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","vibrant","vibrant green","Green Yellow 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/9dec27.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/green-yellow.json","https://www.colorsencyclopedia.com/api/colors/yellow-green.json","https://www.colorsencyclopedia.com/api/colors/peridot.json"]}

Harmonies

{"complementary":"#7627EC","analogous":["#ECD927","#3BEC27"],"triadic":["#279DEC","#EC279D"],"tetradic":["#27ECD9","#7627EC","#EC273B"],"splitComplementary":["#273BEC","#D927EC"],"monochromatic":["#C4F47C","#9DEC27","#6BA90F"]}

Variants

{"light":"#C4F47C","dark":"#6BA90F","saturated":"#A1FF14","desaturated":"#98D241","pastel":"#D1EEA5","neon":"#B1FF3D"}

Nearest named colors

[{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":26.095976701399778},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":33.03028912982749},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":46.238512086787566},{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":50.547007824400445},{"slug":"chartreuse","name":"Chartreuse","hex":"#7FFF00","distance":52.744667976962376}]

HEX meaning and use

About #9DEC27

#9DEC27 is classified as a cool green value with vibrant visual character. #9DEC27 is visually closest to Green Yellow, a named green color with HEX #ADFF2F.

The RGB channels are 157, 236, and 39, with green carrying the strongest channel weight. In HSL, the hue is 84deg with 84% 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 0.6731, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 26.10, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text14.46:1AA Pass

White text1.45:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #9DEC27 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000014.46:1 · AAA

White text#FFFFFF1.45:1 · Fail

Accessible Alternatives

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

#A1FF14#000000 text · best 16.83:1#A1FF14

#C4F47C#000000 text · best 16.58:1#C4F47C

Chartreuse#000000 text · best 16.21:1#7FFF00

#ECD927#000000 text · best 14.52:1#ECD927

Generated Palette

#9DEC27#9DEC27

#7627EC#7627EC

#ECD927#ECD927

#3BEC27#3BEC27

#C4F47C#C4F47C

#6BA90F#6BA90F

Color Harmonies

#7627EC#7627EC

#ECD927#ECD927

#3BEC27#3BEC27

#279DEC#279DEC

#EC279D#EC279D

Variants

#C4F47C#C4F47C

#6BA90F#6BA90F

#A1FF14#A1FF14

#98D241#98D241

#D1EEA5#D1EEA5

#B1FF3D#B1FF3D

Nearest Named Colors

Green Yellow#ADFF2F

Yellow Green#9ACD32

Peridot#B4C424

Acid Green#B0BF1A

Chartreuse#7FFF00

#9DEC27

CSS

Machine-Readable HEX Data (JSON)

About #9DEC27

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides