HEX atlas value

#42CC33

#42CC33 is a cool green HEX color close to Lime Green. According to Colors Encyclopedia, it converts to RGB 66, 204, 51, HSL 114, 60%, 50%, has luminance 0.4458, and belongs to the earth tone group.

#42CC33 Sample readable text
HEX #42CC33
RGB rgb(66, 204, 51)
HSL hsl(114 60% 50%)
CMYK cmyk(68, 0, 75, 20)
Luminance 0.4458
Contrast Black 9.92:1White 2.12:1

CSS

--color-42cc33: #42CC33;
.background-42cc33 { background-color: #42CC33; }
.text-42cc33 { color: #42CC33; }

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
Luminance0.4458
Black text9.92:1AA Pass
White text2.12:1AA 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":"#42CC33","rgb":[66,204,51],"hsl":[114,60,50],"cmyk":[68,0,75,20],"luminance":0.4458,"contrast":{"black":9.92,"white":2.12}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":9.92,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.12,"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":"#86DE7C","hex":"#86DE7C","family":"green","bestTextColor":"#000000","contrastBlack":12.75,"contrastWhite":1.65,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#2CE817","hex":"#2CE817","family":"green","bestTextColor":"#000000","contrastBlack":12.66,"contrastWhite":1.66,"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":"#8FCC33","hex":"#8FCC33","family":"green","bestTextColor":"#000000","contrastBlack":10.85,"contrastWhite":1.94,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["cool green","earth tone","earth tone green","Lime Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/42cc33.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json"]}
Harmonies
{"complementary":"#BD33CC","analogous":["#8FCC33","#33CC70"],"triadic":["#3342CC","#CC3342"],"tetradic":["#338FCC","#BD33CC","#CC7033"],"splitComplementary":["#7033CC","#CC338F"],"monochromatic":["#86DE7C","#42CC33","#2A8321"]}
Variants
{"light":"#86DE7C","dark":"#2A8321","saturated":"#2CE817","desaturated":"#59B04F","pastel":"#A8DCA3","neon":"#3EFF29"}
Nearest named colors
[{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":16.06237840420901},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":34.249087579087416},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":36.959437225152655},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":60.35726965329032},{"slug":"medium-sea-green","name":"Medium Sea Green","hex":"#3CB371","distance":67.11929677819934}]

HEX meaning and use

About #42CC33

#42CC33 is classified as a cool green value with earth tone visual character. #42CC33 is visually closest to Lime Green, a named green color with HEX #32CD32.

The RGB channels are 66, 204, and 51, with green carrying the strongest channel weight. In HSL, the hue is 114deg with 60% saturation and 50% 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 natural palettes. Its luminance is 0.4458, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 16.06, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text9.92:1AA Pass
White text2.12:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #42CC33 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000009.92:1 · AAA
White text#FFFFFF2.12:1 · Fail

Accessible Alternatives

Neon Green#000000 text · best 15.49:1#39FF14
#86DE7C#000000 text · best 12.75:1#86DE7C
#2CE817#000000 text · best 12.66:1#2CE817
Toxic Green#000000 text · best 11.99:1#61DE2A
#8FCC33#000000 text · best 10.85:1#8FCC33

Generated Palette

#42CC33#42CC33
#BD33CC#BD33CC
#8FCC33#8FCC33
#33CC70#33CC70
#86DE7C#86DE7C
#2A8321#2A8321

Color Harmonies

#BD33CC#BD33CC
#8FCC33#8FCC33
#33CC70#33CC70
#3342CC#3342CC
#CC3342#CC3342

Variants

#86DE7C#86DE7C
#2A8321#2A8321
#2CE817#2CE817
#59B04F#59B04F
#A8DCA3#A8DCA3
#3EFF29#3EFF29

Nearest Named Colors