HEX atlas value

#1B3B0C

#1B3B0C is a cool green HEX color close to Carbon Fiber. According to Colors Encyclopedia, it converts to RGB 27, 59, 12, HSL 101, 66%, 14%, has luminance 0.0339, and belongs to the dark and jewel tone groups.

green cool dark jewel-tone

#1B3B0C Sample readable text

HEX #1B3B0C

RGB rgb(27, 59, 12)

HSL hsl(101 66% 14%)

CMYK cmyk(54, 0, 80, 77)

Luminance 0.0339

Contrast Black 1.68:1White 12.51:1

CSS

--color-1b3b0c: #1B3B0C;
.background-1b3b0c { background-color: #1B3B0C; }
.text-1b3b0c { color: #1B3B0C; }

Luminance0.0339

Black text1.68:1AA Fail

White text12.51:1AA 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":"#1B3B0C","rgb":[27,59,12],"hsl":[101,66,14],"cmyk":[54,0,80,77],"luminance":0.0339,"contrast":{"black":1.68,"white":12.51}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.68,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":12.51,"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":"#2C0C3B","hex":"#2C0C3B","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.22,"contrastWhite":17.18,"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":"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","jewel tone","dark green","jewel tone green","Carbon Fiber 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/1b3b0c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json","https://www.colorsencyclopedia.com/api/colors/rubber.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json"]}

Harmonies

{"complementary":"#2C0C3B","analogous":["#333B0C","#0C3B15"],"triadic":["#0C1B3B","#3B0C1B"],"tetradic":["#0C333B","#2C0C3B","#3B150C"],"splitComplementary":["#150C3B","#3B0C33"],"monochromatic":["#3E871C","#1B3B0C","#000000"]}

Variants

{"light":"#3E871C","dark":"#000000","saturated":"#184304","desaturated":"#1E3314","pastel":"#519631","neon":"#247000"}

Nearest named colors

[{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":34.899856733230294},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":35.35533905932738},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":35.86084215408221},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":36.51027252705737},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":37.17526059088221}]

HEX meaning and use

About #1B3B0C

#1B3B0C is classified as a cool green value with dark and jewel tone visual character. #1B3B0C is visually closest to Carbon Fiber, a named gray color with HEX #1C1C1C.

The RGB channels are 27, 59, and 12, with green carrying the strongest channel weight. In HSL, the hue is 101deg with 66% 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 rich accent palettes. Its luminance is 0.0339, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 34.90, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.68:1AA Fail

White text12.51:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1B3B0C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.68:1 · Fail

White text#FFFFFF12.51:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

Matte Black#FFFFFF text · best 17.41:1#1A1A1A

#2C0C3B#FFFFFF text · best 17.18:1#2C0C3B

Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C

Raisin#FFFFFF text · best 15.93:1#242124

Generated Palette

#1B3B0C#1B3B0C

#2C0C3B#2C0C3B

#333B0C#333B0C

#0C3B15#0C3B15

#3E871C#3E871C

Black#000000

Color Harmonies

#2C0C3B#2C0C3B

#333B0C#333B0C

#0C3B15#0C3B15

#0C1B3B#0C1B3B

#3B0C1B#3B0C1B

Variants

#3E871C#3E871C

Black#000000

#184304#184304

#1E3314#1E3314

#519631#519631

#247000#247000

Nearest Named Colors

Carbon Fiber#1C1C1C

Rubber#2A2725

Matte Black#1A1A1A

Raisin#242124

Slate Black#26282A

#1B3B0C

CSS

Machine-Readable HEX Data (JSON)

About #1B3B0C

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides