HEX atlas value

#18390E

#18390E is a cool green HEX color close to Carbon Fiber. According to Colors Encyclopedia, it converts to RGB 24, 57, 14, HSL 106, 61%, 14%, has luminance 0.0315, and belongs to the dark, earth tone, and jewel tone groups.

green cool dark earth-tone jewel-tone

#18390E Sample readable text

HEX #18390E

RGB rgb(24, 57, 14)

HSL hsl(106 61% 14%)

CMYK cmyk(58, 0, 75, 78)

Luminance 0.0315

Contrast Black 1.63:1White 12.88:1

CSS

--color-18390e: #18390E;
.background-18390e { background-color: #18390E; }
.text-18390e { color: #18390E; }

Luminance0.0315

Black text1.63:1AA Fail

White text12.88:1AA 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":"#18390E","rgb":[24,57,14],"hsl":[106,61,14],"cmyk":[58,0,75,78],"luminance":0.0315,"contrast":{"black":1.63,"white":12.88}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.63,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":12.88,"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":"#2F0E39","hex":"#2F0E39","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.24,"contrastWhite":16.91,"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","Carbon Fiber 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/18390e.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json","https://www.colorsencyclopedia.com/api/colors/rubber.json"]}

Harmonies

{"complementary":"#2F0E39","analogous":["#2E390E","#0E391A"],"triadic":["#0E1839","#390E18"],"tetradic":["#0E2E39","#2F0E39","#391A0E"],"splitComplementary":["#1A0E39","#390E2E"],"monochromatic":["#378320","#18390E","#000000"]}

Variants

{"light":"#378320","dark":"#000000","saturated":"#144106","desaturated":"#1C3216","pastel":"#4B9136","neon":"#1A7000"}

Nearest named colors

[{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":32.449961479175904},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":33.301651610693426},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":34.307433596816885},{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":34.438350715445125},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":34.698703145794944}]

HEX meaning and use

About #18390E

#18390E is classified as a cool green value with dark, earth tone, and jewel tone visual character. #18390E is visually closest to Carbon Fiber, a named gray color with HEX #1C1C1C.

The RGB channels are 24, 57, and 14, with green carrying the strongest channel weight. In HSL, the hue is 106deg 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 0.0315, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 32.45, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.63:1AA Fail

White text12.88:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #18390E needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.63:1 · Fail

White text#FFFFFF12.88:1 · 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

#2F0E39#FFFFFF text · best 16.91:1#2F0E39

Raisin#FFFFFF text · best 15.93:1#242124

Generated Palette

#18390E#18390E

#2F0E39#2F0E39

#2E390E#2E390E

#0E391A#0E391A

#378320#378320

Black#000000

Color Harmonies

#2F0E39#2F0E39

#2E390E#2E390E

#0E391A#0E391A

#0E1839#0E1839

#390E18#390E18

Variants

#378320#378320

Black#000000

#144106#144106

#1C3216#1C3216

#4B9136#4B9136

#1A7000#1A7000

Nearest Named Colors

Carbon Fiber#1C1C1C

Matte Black#1A1A1A

Rubber#2A2725

British Racing Green#004225

Raisin#242124

#18390E

CSS

Machine-Readable HEX Data (JSON)

About #18390E

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides