HEX atlas value

#78D11A

#78D11A is a cool green HEX color close to Toxic Green. According to Colors Encyclopedia, it converts to RGB 120, 209, 26, HSL 89, 78%, 46%, has luminance 0.4967, and belongs to the vibrant group.

green cool vibrant

#78D11A Sample readable text

HEX #78D11A

RGB rgb(120, 209, 26)

HSL hsl(89 78% 46%)

CMYK cmyk(43, 0, 88, 18)

Luminance 0.4967

Contrast Black 10.93:1White 1.92:1

CSS

--color-78d11a: #78D11A;
.background-78d11a { background-color: #78D11A; }
.text-78d11a { color: #78D11A; }

Luminance0.4967

Black text10.93:1AA Pass

White text1.92:1AA 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":"#78D11A","rgb":[120,209,26],"hsl":[89,78,46],"cmyk":[43,0,88,18],"luminance":0.4967,"contrast":{"black":10.93,"white":1.92}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":10.93,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.92,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Chartreuse","hex":"#7FFF00","family":"green","bestTextColor":"#000000","contrastBlack":16.21,"contrastWhite":1.3,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Lawn Green","hex":"#7CFC00","family":"green","bestTextColor":"#000000","contrastBlack":15.78,"contrastWhite":1.33,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#A6EB5C","hex":"#A6EB5C","family":"green","bestTextColor":"#000000","contrastBlack":14.66,"contrastWhite":1.43,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#79EB00","hex":"#79EB00","family":"green","bestTextColor":"#000000","contrastBlack":13.7,"contrastWhite":1.53,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#D1CE1A","hex":"#D1CE1A","family":"yellow","bestTextColor":"#000000","contrastBlack":12.55,"contrastWhite":1.67,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","vibrant","vibrant green","Toxic 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/78d11a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json","https://www.colorsencyclopedia.com/api/colors/yellow-green.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json"]}

Harmonies

{"complementary":"#721AD1","analogous":["#D1CE1A","#1DD11A"],"triadic":["#1A78D1","#D11A78"],"tetradic":["#1AD1CE","#721AD1","#D11A1D"],"splitComplementary":["#1A1DD1","#CE1AD1"],"monochromatic":["#A6EB5C","#78D11A","#497F10"]}

Variants

{"light":"#A6EB5C","dark":"#497F10","saturated":"#79EB00","desaturated":"#77B734","pastel":"#B7E486","neon":"#8EFF14"}

Nearest named colors

[{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":30.886890422961002},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":41.80908992073375},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":49.28488612140643},{"slug":"lawn-green","name":"Lawn Green","hex":"#7CFC00","distance":50.40833264451424},{"slug":"chartreuse","name":"Chartreuse","hex":"#7FFF00","distance":53.301031884945715}]

HEX meaning and use

About #78D11A

#78D11A is classified as a cool green value with vibrant visual character. #78D11A is visually closest to Toxic Green, a named green color with HEX #61DE2A.

The RGB channels are 120, 209, and 26, with green carrying the strongest channel weight. In HSL, the hue is 89deg with 78% saturation and 46% 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 0.4967, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 30.89, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text10.93:1AA Pass

White text1.92:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #78D11A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000010.93:1 · AAA

White text#FFFFFF1.92:1 · Fail

Accessible Alternatives

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

Lawn Green#000000 text · best 15.78:1#7CFC00

#A6EB5C#000000 text · best 14.66:1#A6EB5C

#79EB00#000000 text · best 13.7:1#79EB00

#D1CE1A#000000 text · best 12.55:1#D1CE1A

Generated Palette

#78D11A#78D11A

#721AD1#721AD1

#D1CE1A#D1CE1A

#1DD11A#1DD11A

#A6EB5C#A6EB5C

#497F10#497F10

Color Harmonies

#721AD1#721AD1

#D1CE1A#D1CE1A

#1DD11A#1DD11A

#1A78D1#1A78D1

#D11A78#D11A78

Variants

#A6EB5C#A6EB5C

#497F10#497F10

#79EB00#79EB00

#77B734#77B734

#B7E486#B7E486

#8EFF14#8EFF14

Nearest Named Colors

Toxic Green#61DE2A

Yellow Green#9ACD32

Kelly Green#4CBB17

Lawn Green#7CFC00

Chartreuse#7FFF00

#78D11A

CSS

Machine-Readable HEX Data (JSON)

About #78D11A

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides