HEX atlas value

#78CB0B

#78CB0B is a cool green HEX color close to Toxic Green. According to Colors Encyclopedia, it converts to RGB 120, 203, 11, HSL 86, 90%, 42%, has luminance 0.4673, and belongs to the vibrant and jewel tone groups.

green cool vibrant jewel-tone

#78CB0B Sample readable text

HEX #78CB0B

RGB rgb(120, 203, 11)

HSL hsl(86 90% 42%)

CMYK cmyk(41, 0, 95, 20)

Luminance 0.4673

Contrast Black 10.35:1White 2.03:1

CSS

--color-78cb0b: #78CB0B;
.background-78cb0b { background-color: #78CB0B; }
.text-78cb0b { color: #78CB0B; }

Luminance0.4673

Black text10.35:1AA Pass

White text2.03:1AA 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":"#78CB0B","rgb":[120,203,11],"hsl":[86,90,42],"cmyk":[41,0,95,20],"luminance":0.4673,"contrast":{"black":10.35,"white":2.03}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":10.35,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.03,"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":"#A5F53D","hex":"#A5F53D","family":"green","bestTextColor":"#000000","contrastBlack":15.73,"contrastWhite":1.34,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Toxic Green","hex":"#61DE2A","family":"green","bestTextColor":"#000000","contrastBlack":11.99,"contrastWhite":1.75,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#79D600","hex":"#79D600","family":"green","bestTextColor":"#000000","contrastBlack":11.43,"contrastWhite":1.84,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","vibrant","jewel tone","vibrant green","jewel tone green","Toxic Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/78cb0b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json","https://www.colorsencyclopedia.com/api/colors/lawn-green.json"]}

Harmonies

{"complementary":"#5E0BCB","analogous":["#CBBF0B","#18CB0B"],"triadic":["#0B78CB","#CB0B78"],"tetradic":["#0BCBBF","#5E0BCB","#CB0B18"],"splitComplementary":["#0B18CB","#BF0BCB"],"monochromatic":["#A5F53D","#78CB0B","#457406"]}

Variants

{"light":"#A5F53D","dark":"#457406","saturated":"#79D600","desaturated":"#75B422","pastel":"#B3EA6C","neon":"#91FF00"}

Nearest named colors

[{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":43.02324952859791},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":48.33218389437829},{"slug":"lawn-green","name":"Lawn Green","hex":"#7CFC00","distance":50.37856687124},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":51.778373863998475},{"slug":"chartreuse","name":"Chartreuse","hex":"#7FFF00","distance":53.60970061472084}]

HEX meaning and use

About #78CB0B

#78CB0B is classified as a cool green value with vibrant and jewel tone visual character. #78CB0B is visually closest to Toxic Green, a named green color with HEX #61DE2A.

The RGB channels are 120, 203, and 11, with green carrying the strongest channel weight. In HSL, the hue is 86deg with 90% saturation and 42% 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 rich accent palettes. Its luminance is 0.4673, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 43.02, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text10.35:1AA Pass

White text2.03:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #78CB0B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000010.35:1 · AAA

White text#FFFFFF2.03:1 · Fail

Accessible Alternatives

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

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

#A5F53D#000000 text · best 15.73:1#A5F53D

Toxic Green#000000 text · best 11.99:1#61DE2A

#79D600#000000 text · best 11.43:1#79D600

Generated Palette

#78CB0B#78CB0B

#5E0BCB#5E0BCB

#CBBF0B#CBBF0B

#18CB0B#18CB0B

#A5F53D#A5F53D

#457406#457406

Color Harmonies

#5E0BCB#5E0BCB

#CBBF0B#CBBF0B

#18CB0B#18CB0B

#0B78CB#0B78CB

#CB0B78#CB0B78

Variants

#A5F53D#A5F53D

#457406#457406

#79D600#79D600

#75B422#75B422

#B3EA6C#B3EA6C

#91FF00#91FF00

Nearest Named Colors

Toxic Green#61DE2A

Kelly Green#4CBB17

Lawn Green#7CFC00

Yellow Green#9ACD32

Chartreuse#7FFF00

#78CB0B

CSS

Machine-Readable HEX Data (JSON)

About #78CB0B

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides