Colors Encyclopedia

HEX atlas value

#21A14C

#21A14C is a cool green HEX color close to Sea Green. According to Colors Encyclopedia, it converts to RGB 33, 161, 76, HSL 140, 66%, 38%, has luminance 0.2633, and belongs to the jewel tone group.

greencooljewel-tone
#21A14C Sample readable text
HEX #21A14C
RGB rgb(33, 161, 76)
HSL hsl(140 66% 38%)
CMYK cmyk(80, 0, 53, 37)
Luminance 0.2633
Contrast Black 6.27:1White 3.35:1

CSS

--color-21a14c: #21A14C;
.background-21a14c { background-color: #21A14C; }
.text-21a14c { color: #21A14C; }

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
Luminance0.2633
Black text6.27:1AA Pass
White text3.35:1AA 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":"#21A14C","rgb":[33,161,76],"hsl":[140,66,38],"cmyk":[80,0,53,37],"luminance":0.2633,"contrast":{"black":6.27,"white":3.35}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.27,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.35,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#45D976","hex":"#45D976","family":"green","bestTextColor":"#000000","contrastBlack":11.44,"contrastWhite":1.84,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#115528","hex":"#115528","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.35,"contrastWhite":8.92,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#0CB644","hex":"#0CB644","family":"green","bestTextColor":"#000000","contrastBlack":7.79,"contrastWhite":2.7,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A12176","hex":"#A12176","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":2.99,"contrastWhite":7.01,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Jade","hex":"#00A86B","family":"green","bestTextColor":"#000000","contrastBlack":6.81,"contrastWhite":3.08,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
AI context
{"semanticGroups":["cool green","jewel tone","jewel tone green","Sea Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/21a14c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/sea-green.json","https://www.colorsencyclopedia.com/api/colors/shamrock.json","https://www.colorsencyclopedia.com/api/colors/traffic-green.json"]}
Harmonies
{"complementary":"#A12176","analogous":["#36A121","#21A18C"],"triadic":["#4C21A1","#A14C21"],"tetradic":["#2136A1","#A12176","#A18C21"],"splitComplementary":["#8C21A1","#A12136"],"monochromatic":["#45D976","#21A14C","#115528"]}
Variants
{"light":"#45D976","dark":"#115528","saturated":"#0CB644","desaturated":"#368C53","pastel":"#71D191","neon":"#00EB4E"}
Nearest named colors
[{"slug":"sea-green","name":"Sea Green","hex":"#2E8B57","distance":27.820855486487112},{"slug":"shamrock","name":"Shamrock","hex":"#009E60","distance":38.704004960727254},{"slug":"traffic-green","name":"Traffic Green","hex":"#008450","distance":44.11349000022555},{"slug":"jade","name":"Jade","hex":"#00A86B","distance":45.81484475582123},{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":47.4236228055175}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #21A14C

#21A14C is classified as a cool green value with jewel tone visual character. #21A14C is visually closest to Sea Green, a named green color with HEX #2E8B57.

The RGB channels are 33, 161, and 76, with green carrying the strongest channel weight. In HSL, the hue is 140deg with 66% saturation and 38% 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 rich accent palettes. Its luminance is 0.2633, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 27.82, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.27:1AA Pass
White text3.35:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #21A14C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.27:1 · AA
White text#FFFFFF3.35:1 · Fail

Accessible Alternatives

#45D976#000000 text · best 11.44:1#45D976
#115528#FFFFFF text · best 8.92:1#115528
#0CB644#000000 text · best 7.79:1#0CB644
#A12176#FFFFFF text · best 7.01:1#A12176
Jade#000000 text · best 6.81:1#00A86B

Generated Palette

#21A14C#21A14C
#A12176#A12176
#36A121#36A121
#21A18C#21A18C
#45D976#45D976
#115528#115528

Color Harmonies

#A12176#A12176
#36A121#36A121
#21A18C#21A18C
#4C21A1#4C21A1
#A14C21#A14C21

Variants

#45D976#45D976
#115528#115528
#0CB644#0CB644
#368C53#368C53
#71D191#71D191
#00EB4E#00EB4E

Nearest Named Colors

Sea Green#2E8B57
Shamrock#009E60
Traffic Green#008450
Jade#00A86B
Forest Green#228B22

Related HEX Guides

Sea Green colorOpen the nearest named color reference for #2E8B57.Shamrock colorOpen the nearest named color reference for #009E60.Traffic Green colorOpen the nearest named color reference for #008450.Green color familyBrowse named green colors related to this HEX value.Cool colorsExplore colors with similar temperature behavior.Jewel Tone colorsFind colors in the jewel tone group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#21A14C APIOpen the machine-readable JSON record for this HEX value.