HEX atlas value

#7BCA21

#7BCA21 is a cool green HEX color close to Toxic Green. According to Colors Encyclopedia, it converts to RGB 123, 202, 33, HSL 88, 72%, 46%, has luminance 0.4656, and belongs to the vibrant group.

#7BCA21 Sample readable text
HEX #7BCA21
RGB rgb(123, 202, 33)
HSL hsl(88 72% 46%)
CMYK cmyk(39, 0, 84, 21)
Luminance 0.4656
Contrast Black 10.31:1White 2.04:1

CSS

--color-7bca21: #7BCA21;
.background-7bca21 { background-color: #7BCA21; }
.text-7bca21 { color: #7BCA21; }

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
Luminance0.4656
Black text10.31:1AA Pass
White text2.04:1AA 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":"#7BCA21","rgb":[123,202,33],"hsl":[88,72,46],"cmyk":[39,0,84,21],"luminance":0.4656,"contrast":{"black":10.31,"white":2.04}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":10.31,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.04,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#A8E561","hex":"#A8E561","family":"green","bestTextColor":"#000000","contrastBlack":14.05,"contrastWhite":1.5,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#7DE407","hex":"#7DE407","family":"green","bestTextColor":"#000000","contrastBlack":12.97,"contrastWhite":1.62,"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":"#CAC421","hex":"#CAC421","family":"yellow","bestTextColor":"#000000","contrastBlack":11.43,"contrastWhite":1.84,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Yellow Green","hex":"#9ACD32","family":"green","bestTextColor":"#000000","contrastBlack":11.15,"contrastWhite":1.88,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["cool green","vibrant","vibrant green","Toxic Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/7bca21.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json","https://www.colorsencyclopedia.com/api/colors/yellow-green.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json"]}
Harmonies
{"complementary":"#7021CA","analogous":["#CAC421","#26CA21"],"triadic":["#217BCA","#CA217B"],"tetradic":["#21CAC4","#7021CA","#CA2126"],"splitComplementary":["#2126CA","#C421CA"],"monochromatic":["#A8E561","#7BCA21","#4B7B14"]}
Variants
{"light":"#A8E561","dark":"#4B7B14","saturated":"#7DE407","desaturated":"#79B03B","pastel":"#B8DF8B","neon":"#92FF14"}
Nearest named colors
[{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":34.0147027033899},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":35.482389998420345},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":50.33885179461288},{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":54.58021619598075},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":57.39337940912697}]

HEX meaning and use

About #7BCA21

#7BCA21 is classified as a cool green value with vibrant visual character. #7BCA21 is visually closest to Toxic Green, a named green color with HEX #61DE2A.

The RGB channels are 123, 202, and 33, with green carrying the strongest channel weight. In HSL, the hue is 88deg with 72% saturation and 46% 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 high-energy accents. Its luminance is 0.4656, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 34.01, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text10.31:1AA Pass
White text2.04:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #7BCA21 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000010.31:1 · AAA
White text#FFFFFF2.04:1 · Fail

Accessible Alternatives

#A8E561#000000 text · best 14.05:1#A8E561
#7DE407#000000 text · best 12.97:1#7DE407
Toxic Green#000000 text · best 11.99:1#61DE2A
#CAC421#000000 text · best 11.43:1#CAC421
Yellow Green#000000 text · best 11.15:1#9ACD32

Generated Palette

#7BCA21#7BCA21
#7021CA#7021CA
#CAC421#CAC421
#26CA21#26CA21
#A8E561#A8E561
#4B7B14#4B7B14

Color Harmonies

#7021CA#7021CA
#CAC421#CAC421
#26CA21#26CA21
#217BCA#217BCA
#CA217B#CA217B

Variants

#A8E561#A8E561
#4B7B14#4B7B14
#7DE407#7DE407
#79B03B#79B03B
#B8DF8B#B8DF8B
#92FF14#92FF14

Nearest Named Colors