HEX atlas value

#42C328

#42C328 is a cool green HEX color close to Kelly Green. According to Colors Encyclopedia, it converts to RGB 66, 195, 40, HSL 110, 66%, 46%, has luminance 0.4034, and belongs to the balanced group.

#42C328 Sample readable text
HEX #42C328
RGB rgb(66, 195, 40)
HSL hsl(110 66% 46%)
CMYK cmyk(66, 0, 79, 24)
Luminance 0.4034
Contrast Black 9.07:1White 2.32:1

CSS

--color-42c328: #42C328;
.background-42c328 { background-color: #42C328; }
.text-42c328 { color: #42C328; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.4034
Black text9.07:1AA Pass
White text2.32:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#42C328","rgb":[66,195,40],"hsl":[110,66,46],"cmyk":[66,0,79,24],"luminance":0.4034,"contrast":{"black":9.07,"white":2.32}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":9.07,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.32,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"Neon Green","hex":"#39FF14","family":"green","bestTextColor":"#000000","contrastBlack":15.49,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#7BE067","hex":"#7BE067","family":"green","bestTextColor":"#000000","contrastBlack":12.7,"contrastWhite":1.65,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Toxic Green","hex":"#61DE2A","family":"green","bestTextColor":"#000000","contrastBlack":11.99,"contrastWhite":1.75,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#30DD0E","hex":"#30DD0E","family":"green","bestTextColor":"#000000","contrastBlack":11.47,"contrastWhite":1.83,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#8FC328","hex":"#8FC328","family":"green","bestTextColor":"#000000","contrastBlack":10,"contrastWhite":2.1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["cool green","balanced","balanced green","Kelly Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/42c328.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/toxic-green.json"]}
Harmonies
{"complementary":"#A928C3","analogous":["#8FC328","#28C35B"],"triadic":["#2842C3","#C32842"],"tetradic":["#288FC3","#A928C3","#C35B28"],"splitComplementary":["#5B28C3","#C3288F"],"monochromatic":["#7BE067","#42C328","#287718"]}
Variants
{"light":"#7BE067","dark":"#287718","saturated":"#30DD0E","desaturated":"#53A942","pastel":"#9CDB8F","neon":"#3CFF14"}
Nearest named colors
[{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":21.283796653792763},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":21.354156504062622},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":41.15823125451335},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":63.88270501473775},{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":64.77653896280658}]

HEX meaning and use

About #42C328

#42C328 is classified as a cool green value with balanced visual character. #42C328 is visually closest to Kelly Green, a named green color with HEX #4CBB17.

The RGB channels are 66, 195, and 40, with green carrying the strongest channel weight. In HSL, the hue is 110deg with 66% saturation and 46% lightness, so this page treats it as a moderate-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 botanical and wellness palettes. Its luminance is 0.4034, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 21.28, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text9.07:1AA Pass
White text2.32:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #42C328 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000009.07:1 · AAA
White text#FFFFFF2.32:1 · Fail

Accessible Alternatives

Neon Green#000000 text · best 15.49:1#39FF14
#7BE067#000000 text · best 12.7:1#7BE067
Toxic Green#000000 text · best 11.99:1#61DE2A
#30DD0E#000000 text · best 11.47:1#30DD0E
#8FC328#000000 text · best 10:1#8FC328

Generated Palette

#42C328#42C328
#A928C3#A928C3
#8FC328#8FC328
#28C35B#28C35B
#7BE067#7BE067
#287718#287718

Color Harmonies

#A928C3#A928C3
#8FC328#8FC328
#28C35B#28C35B
#2842C3#2842C3
#C32842#C32842

Variants

#7BE067#7BE067
#287718#287718
#30DD0E#30DD0E
#53A942#53A942
#9CDB8F#9CDB8F
#3CFF14#3CFF14

Nearest Named Colors