Colors Encyclopedia

HEX atlas value

#0A5222

#0A5222 is a cool green HEX color close to British Racing Green. According to Colors Encyclopedia, it converts to RGB 10, 82, 34, HSL 140, 78%, 18%, has luminance 0.0621, and belongs to the dark and jewel tone groups.

greencooldarkjewel-tone
#0A5222 Sample readable text
HEX #0A5222
RGB rgb(10, 82, 34)
HSL hsl(140 78% 18%)
CMYK cmyk(88, 0, 59, 68)
Luminance 0.0621
Contrast Black 2.24:1White 9.37:1

CSS

--color-0a5222: #0A5222;
.background-0a5222 { background-color: #0A5222; }
.text-0a5222 { color: #0A5222; }

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
Luminance0.0621
Black text2.24:1AA Fail
White text9.37:1AA Pass
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":"#0A5222","rgb":[10,82,34],"hsl":[140,78,18],"cmyk":[88,0,59,68],"luminance":0.0621,"contrast":{"black":2.24,"white":9.37}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":2.24,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":9.37,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"Black","hex":"#000000","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1,"contrastWhite":21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#520A3A","hex":"#520A3A","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.46,"contrastWhite":14.34,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Charcoal Blue","hex":"#263238","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.6,"contrastWhite":13.16,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Gunmetal","hex":"#2A3439","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.65,"contrastWhite":12.74,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"British Racing Green","hex":"#004225","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.81,"contrastWhite":11.63,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["cool green","dark","jewel tone","dark green","jewel tone green","British Racing Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","dark theme accents","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/0a5222.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/british-racing-green.json","https://www.colorsencyclopedia.com/api/colors/emerald-dark.json","https://www.colorsencyclopedia.com/api/colors/dark-green.json"]}
Harmonies
{"complementary":"#520A3A","analogous":["#16520A","#0A5246"],"triadic":["#220A52","#52220A"],"tetradic":["#0A1652","#520A3A","#52460A"],"splitComplementary":["#460A52","#520A16"],"monochromatic":["#14A344","#0A5222","#000000"]}
Variants
{"light":"#14A344","dark":"#000000","saturated":"#005C1F","desaturated":"#144825","pastel":"#29B357","neon":"#00852C"}
Nearest named colors
[{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":19.1049731745428},{"slug":"emerald-dark","name":"Emerald Dark","hex":"#046307","distance":32.46536616149585},{"slug":"dark-green","name":"Dark Green","hex":"#006400","distance":39.74921382870358},{"slug":"charcoal-blue","name":"Charcoal Blue","hex":"#263238","distance":47.8748368143433},{"slug":"gunmetal","name":"Gunmetal","hex":"#2A3439","distance":49.52776998815917}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #0A5222

#0A5222 is classified as a cool green value with dark and jewel tone visual character. #0A5222 is visually closest to British Racing Green, a named green color with HEX #004225.

The RGB channels are 10, 82, and 34, with green carrying the strongest channel weight. In HSL, the hue is 140deg with 78% saturation and 18% lightness, so this page treats it as a high-saturation, dark 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 0.0621, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.10, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

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

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #0A5222 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.24:1 · Fail
White text#FFFFFF9.37:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
#520A3A#FFFFFF text · best 14.34:1#520A3A
Charcoal Blue#FFFFFF text · best 13.16:1#263238
Gunmetal#FFFFFF text · best 12.74:1#2A3439
British Racing Green#FFFFFF text · best 11.63:1#004225

Generated Palette

#0A5222#0A5222
#520A3A#520A3A
#16520A#16520A
#0A5246#0A5246
#14A344#14A344
Black#000000

Color Harmonies

#520A3A#520A3A
#16520A#16520A
#0A5246#0A5246
#220A52#220A52
#52220A#52220A

Variants

#14A344#14A344
Black#000000
#005C1F#005C1F
#144825#144825
#29B357#29B357
#00852C#00852C

Nearest Named Colors

British Racing Green#004225
Emerald Dark#046307
Dark Green#006400
Charcoal Blue#263238
Gunmetal#2A3439

Related HEX Guides

British Racing Green colorOpen the nearest named color reference for #004225.Emerald Dark colorOpen the nearest named color reference for #046307.Dark Green colorOpen the nearest named color reference for #006400.Green color familyBrowse named green colors related to this HEX value.Cool colorsExplore colors with similar temperature behavior.Dark colorsFind colors in the dark group.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.#0A5222 APIOpen the machine-readable JSON record for this HEX value.