HEX atlas value

#1B4912

#1B4912 is a cool green HEX color close to British Racing Green. According to Colors Encyclopedia, it converts to RGB 27, 73, 18, HSL 110, 60%, 18%, has luminance 0.0504, and belongs to the dark, earth tone, and jewel tone groups.

green cool dark earth-tone jewel-tone

#1B4912 Sample readable text

HEX #1B4912

RGB rgb(27, 73, 18)

HSL hsl(110 60% 18%)

CMYK cmyk(63, 0, 75, 71)

Luminance 0.0504

Contrast Black 2.01:1White 10.46:1

CSS

--color-1b4912: #1B4912;
.background-1b4912 { background-color: #1B4912; }
.text-1b4912 { color: #1B4912; }

Luminance0.0504

Black text2.01:1AA Fail

White text10.46:1AA 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

Structured sections

Color systems

{"hex":"#1B4912","rgb":[27,73,18],"hsl":[110,60,18],"cmyk":[63,0,75,71],"luminance":0.0504,"contrast":{"black":2.01,"white":10.46}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":2.01,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":10.46,"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":"#401249","hex":"#401249","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.4,"contrastWhite":15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Rubber","hex":"#2A2725","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.42,"contrastWhite":14.83,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Asphalt","hex":"#2B2B2B","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.48,"contrastWhite":14.15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#223F1C","hex":"#223F1C","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.8,"contrastWhite":11.69,"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/1b4912.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/british-racing-green.json","https://www.colorsencyclopedia.com/api/colors/terre-verte.json","https://www.colorsencyclopedia.com/api/colors/emerald-dark.json"]}

Harmonies

{"complementary":"#401249","analogous":["#374912","#124925"],"triadic":["#121C49","#49121C"],"tetradic":["#123749","#401249","#492512"],"splitComplementary":["#251249","#491237"],"monochromatic":["#379325","#1B4912","#000000"]}

Variants

{"light":"#379325","dark":"#000000","saturated":"#155408","desaturated":"#223F1C","pastel":"#4D9F3C","neon":"#168500"}

Nearest named colors

[{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":33.74907406137241},{"slug":"terre-verte","name":"Terre Verte","hex":"#385E0F","distance":35.93048844644336},{"slug":"emerald-dark","name":"Emerald Dark","hex":"#046307","distance":36.41428291206625},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":41.737273509418415},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":42.20189569201838}]

HEX meaning and use

About #1B4912

#1B4912 is classified as a cool green value with dark, earth tone, and jewel tone visual character. #1B4912 is visually closest to British Racing Green, a named green color with HEX #004225.

The RGB channels are 27, 73, and 18, with green carrying the strongest channel weight. In HSL, the hue is 110deg with 60% saturation and 18% 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 0.0504, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 33.75, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text2.01:1AA Fail

White text10.46:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1B4912 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.01:1 · Fail

White text#FFFFFF10.46:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

#401249#FFFFFF text · best 15:1#401249

Rubber#FFFFFF text · best 14.83:1#2A2725

Asphalt#FFFFFF text · best 14.15:1#2B2B2B

#223F1C#FFFFFF text · best 11.69:1#223F1C

Generated Palette

#1B4912#1B4912

#401249#401249

#374912#374912

#124925#124925

#379325#379325

Black#000000

Color Harmonies

#401249#401249

#374912#374912

#124925#124925

#121C49#121C49

#49121C#49121C

Variants

#379325#379325

Black#000000

#155408#155408

#223F1C#223F1C

#4D9F3C#4D9F3C

#168500#168500

Nearest Named Colors

British Racing Green#004225

Terre Verte#385E0F

Emerald Dark#046307

Rubber#2A2725

Asphalt#2B2B2B

#1B4912

CSS

Machine-Readable HEX Data (JSON)

About #1B4912

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides