HEX atlas value

#63C328

#63C328 is a cool green HEX color close to Toxic Green. According to Colors Encyclopedia, it converts to RGB 99, 195, 40, HSL 97, 66%, 46%, has luminance 0.4184, and belongs to the balanced group.

#63C328 Sample readable text
HEX #63C328
RGB rgb(99, 195, 40)
HSL hsl(97 66% 46%)
CMYK cmyk(49, 0, 79, 24)
Luminance 0.4184
Contrast Black 9.37:1White 2.24:1

CSS

--color-63c328: #63C328;
.background-63c328 { background-color: #63C328; }
.text-63c328 { color: #63C328; }

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
Luminance0.4184
Black text9.37:1AA Pass
White text2.24:1AA 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":"#63C328","rgb":[99,195,40],"hsl":[97,66,46],"cmyk":[49,0,79,24],"luminance":0.4184,"contrast":{"black":9.37,"white":2.24}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":9.37,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.24,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#95E067","hex":"#95E067","family":"green","bestTextColor":"#000000","contrastBlack":13.14,"contrastWhite":1.6,"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":"#5DDD0E","hex":"#5DDD0E","family":"green","bestTextColor":"#000000","contrastBlack":11.81,"contrastWhite":1.78,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#B1C328","hex":"#B1C328","family":"yellow","bestTextColor":"#000000","contrastBlack":10.71,"contrastWhite":1.96,"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"]}]
AI context
{"semanticGroups":["cool green","balanced","balanced green","Toxic 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/63c328.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/lime-green.json"]}
Harmonies
{"complementary":"#8728C3","analogous":["#B1C328","#28C33A"],"triadic":["#2863C3","#C32863"],"tetradic":["#28B1C3","#8728C3","#C33A28"],"splitComplementary":["#3A28C3","#C328B1"],"monochromatic":["#95E067","#63C328","#3C7718"]}
Variants
{"light":"#95E067","dark":"#3C7718","saturated":"#5DDD0E","desaturated":"#69A942","pastel":"#ACDB8F","neon":"#6EFF14"}
Nearest named colors
[{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":27.147743920996454},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":29.698484809834994},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":51},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":53.83307533477908},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":53.83307533477908}]

HEX meaning and use

About #63C328

#63C328 is classified as a cool green value with balanced visual character. #63C328 is visually closest to Toxic Green, a named green color with HEX #61DE2A.

The RGB channels are 99, 195, and 40, with green carrying the strongest channel weight. In HSL, the hue is 97deg 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 0.4184, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 27.15, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text9.37:1AA Pass
White text2.24:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #63C328 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000009.37:1 · AAA
White text#FFFFFF2.24:1 · Fail

Accessible Alternatives

#95E067#000000 text · best 13.14:1#95E067
Toxic Green#000000 text · best 11.99:1#61DE2A
#5DDD0E#000000 text · best 11.81:1#5DDD0E
#B1C328#000000 text · best 10.71:1#B1C328
Lime Green#000000 text · best 9.91:1#32CD32

Generated Palette

#63C328#63C328
#8728C3#8728C3
#B1C328#B1C328
#28C33A#28C33A
#95E067#95E067
#3C7718#3C7718

Color Harmonies

#8728C3#8728C3
#B1C328#B1C328
#28C33A#28C33A
#2863C3#2863C3
#C32863#C32863

Variants

#95E067#95E067
#3C7718#3C7718
#5DDD0E#5DDD0E
#69A942#69A942
#ACDB8F#ACDB8F
#6EFF14#6EFF14

Nearest Named Colors