HEX atlas value

#12390E

#12390E is a cool green HEX color close to British Racing Green. According to Colors Encyclopedia, it converts to RGB 18, 57, 14, HSL 114, 61%, 14%, has luminance 0.0309, and belongs to the dark, earth tone, and jewel tone groups.

#12390E Sample readable text
HEX #12390E
RGB rgb(18, 57, 14)
HSL hsl(114 61% 14%)
CMYK cmyk(68, 0, 75, 78)
Luminance 0.0309
Contrast Black 1.62:1White 12.98:1

CSS

--color-12390e: #12390E;
.background-12390e { background-color: #12390E; }
.text-12390e { color: #12390E; }

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
Luminance0.0309
Black text1.62:1AA Fail
White text12.98:1AA 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":"#12390E","rgb":[18,57,14],"hsl":[114,61,14],"cmyk":[68,0,75,78],"luminance":0.0309,"contrast":{"black":1.62,"white":12.98}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.62,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":12.98,"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":"Matte Black","hex":"#1A1A1A","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.21,"contrastWhite":17.41,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Carbon Fiber","hex":"#1C1C1C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#350E39","hex":"#350E39","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.27,"contrastWhite":16.48,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Raisin","hex":"#242124","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.32,"contrastWhite":15.93,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["cool green","dark","earth tone","jewel tone","dark green","earth tone green","jewel tone green","British Racing Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","rich accent palettes","dark theme accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/12390e.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/british-racing-green.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json"]}
Harmonies
{"complementary":"#350E39","analogous":["#28390E","#0E391F"],"triadic":["#0E1239","#390E12"],"tetradic":["#0E2839","#350E39","#391F0E"],"splitComplementary":["#1F0E39","#390E28"],"monochromatic":["#2A8320","#12390E","#000000"]}
Variants
{"light":"#2A8320","dark":"#000000","saturated":"#0C4106","desaturated":"#193216","pastel":"#3F9136","neon":"#0B7000"}
Nearest named colors
[{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":30.56141357987225},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":33.71943060017473},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":34.19064199455752},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":37.20215047547655},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":37.8021163428716}]

HEX meaning and use

About #12390E

#12390E is classified as a cool green value with dark, earth tone, and jewel tone visual character. #12390E is visually closest to British Racing Green, a named green color with HEX #004225.

The RGB channels are 18, 57, and 14, with green carrying the strongest channel weight. In HSL, the hue is 114deg with 61% saturation and 14% lightness, so this page treats it as a moderate-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 natural palettes. Its luminance is 0.0309, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 30.56, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.62:1AA Fail
White text12.98:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #12390E needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.62:1 · Fail
White text#FFFFFF12.98:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Matte Black#FFFFFF text · best 17.41:1#1A1A1A
Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C
#350E39#FFFFFF text · best 16.48:1#350E39
Raisin#FFFFFF text · best 15.93:1#242124

Generated Palette

#12390E#12390E
#350E39#350E39
#28390E#28390E
#0E391F#0E391F
#2A8320#2A8320
Black#000000

Color Harmonies

#350E39#350E39
#28390E#28390E
#0E391F#0E391F
#0E1239#0E1239
#390E12#390E12

Variants

#2A8320#2A8320
Black#000000
#0C4106#0C4106
#193216#193216
#3F9136#3F9136
#0B7000#0B7000

Nearest Named Colors