HEX atlas value

#42BE04

#42BE04 is a cool green HEX color close to Kelly Green. According to Colors Encyclopedia, it converts to RGB 66, 190, 4, HSL 100, 96%, 38%, has luminance 0.3799, and belongs to the vibrant and jewel tone groups.

green cool vibrant jewel-tone

#42BE04 Sample readable text

HEX #42BE04

RGB rgb(66, 190, 4)

HSL hsl(100 96% 38%)

CMYK cmyk(65, 0, 98, 25)

Luminance 0.3799

Contrast Black 8.6:1White 2.44:1

CSS

--color-42be04: #42BE04;
.background-42be04 { background-color: #42BE04; }
.text-42be04 { color: #42BE04; }

Luminance0.3799

Black text8.6:1AA Pass

White text2.44:1AA 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":"#42BE04","rgb":[66,190,4],"hsl":[100,96,38],"cmyk":[65,0,98,25],"luminance":0.3799,"contrast":{"black":8.6,"white":2.44}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":8.6,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.44,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#6BFB23","hex":"#6BFB23","family":"green","bestTextColor":"#000000","contrastBlack":15.45,"contrastWhite":1.36,"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":"Lime Green","hex":"#32CD32","family":"green","bestTextColor":"#000000","contrastBlack":9.91,"contrastWhite":2.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#9FBE04","hex":"#9FBE04","family":"green","bestTextColor":"#000000","contrastBlack":9.84,"contrastWhite":2.13,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#41C200","hex":"#41C200","family":"green","bestTextColor":"#000000","contrastBlack":8.94,"contrastWhite":2.35,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","vibrant","jewel tone","vibrant green","jewel tone green","Kelly Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/42be04.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json","https://www.colorsencyclopedia.com/api/colors/scheeles-green.json"]}

Harmonies

{"complementary":"#8004BE","analogous":["#9FBE04","#04BE23"],"triadic":["#0442BE","#BE0442"],"tetradic":["#049FBE","#8004BE","#BE2304"],"splitComplementary":["#2304BE","#BE049F"],"monochromatic":["#6BFB23","#42BE04","#236402"]}

Variants

{"light":"#6BFB23","dark":"#236402","saturated":"#41C200","desaturated":"#49A919","pastel":"#87ED54","neon":"#4EEB00"}

Nearest named colors

[{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":21.6794833886788},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":50.96076922496363},{"slug":"scheeles-green","name":"Scheele Green","hex":"#478800","distance":54.378304497290095},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":58.557663887829406},{"slug":"avocado","name":"Avocado","hex":"#568203","distance":63.25345840347388}]

HEX meaning and use

About #42BE04

#42BE04 is classified as a cool green value with vibrant and jewel tone visual character. #42BE04 is visually closest to Kelly Green, a named green color with HEX #4CBB17.

The RGB channels are 66, 190, and 4, with green carrying the strongest channel weight. In HSL, the hue is 100deg with 96% saturation and 38% 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 0.3799, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 21.68, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text8.6:1AA Pass

White text2.44:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #42BE04 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000008.6:1 · AAA

White text#FFFFFF2.44:1 · Fail

Accessible Alternatives

#6BFB23#000000 text · best 15.45:1#6BFB23

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

Lime Green#000000 text · best 9.91:1#32CD32

#9FBE04#000000 text · best 9.84:1#9FBE04

#41C200#000000 text · best 8.94:1#41C200

Generated Palette

#42BE04#42BE04

#8004BE#8004BE

#9FBE04#9FBE04

#04BE23#04BE23

#6BFB23#6BFB23

#236402#236402

Color Harmonies

#8004BE#8004BE

#9FBE04#9FBE04

#04BE23#04BE23

#0442BE#0442BE

#BE0442#BE0442

Variants

#6BFB23#6BFB23

#236402#236402

#41C200#41C200

#49A919#49A919

#87ED54#87ED54

#4EEB00#4EEB00

Nearest Named Colors

Kelly Green#4CBB17

Lime Green#32CD32

Scheele Green#478800

Toxic Green#61DE2A

Avocado#568203

#42BE04

CSS

Machine-Readable HEX Data (JSON)

About #42BE04

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides