HEX atlas value

#17311B

#17311B is a cool green HEX color close to Carbon Fiber. According to Colors Encyclopedia, it converts to RGB 23, 49, 27, HSL 129, 36%, 14%, has luminance 0.0246, and belongs to the dark and earth tone groups.

green cool dark earth-tone

#17311B Sample readable text

HEX #17311B

RGB rgb(23, 49, 27)

HSL hsl(129 36% 14%)

CMYK cmyk(53, 0, 45, 81)

Luminance 0.0246

Contrast Black 1.49:1White 14.08:1

CSS

--color-17311b: #17311B;
.background-17311b { background-color: #17311B; }
.text-17311b { color: #17311B; }

Luminance0.0246

Black text1.49:1AA Fail

White text14.08:1AA 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":"#17311B","rgb":[23,49,27],"hsl":[129,36,14],"cmyk":[53,0,45,81],"luminance":0.0246,"contrast":{"black":1.49,"white":14.08}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.49,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":14.08,"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":"#31172D","hex":"#31172D","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.29,"contrastWhite":16.25,"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","dark green","earth tone green","Carbon Fiber adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","dark theme accents","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/17311b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json","https://www.colorsencyclopedia.com/api/colors/raisin.json","https://www.colorsencyclopedia.com/api/colors/slate-black.json"]}

Harmonies

{"complementary":"#31172D","analogous":["#203117","#173128"],"triadic":["#1B1731","#311B17"],"tetradic":["#172031","#31172D","#312817"],"splitComplementary":["#281731","#311720"],"monochromatic":["#346F3D","#17311B","#000000"]}

Variants

{"light":"#346F3D","dark":"#000000","saturated":"#0F3815","desaturated":"#1F2920","pastel":"#4F7855","neon":"#007011"}

Nearest named colors

[{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":21.61018278497431},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":22.494443758403985},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":23.043437243605826},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":23.2163735324878},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":23.68543856465402}]

HEX meaning and use

About #17311B

#17311B is classified as a cool green value with dark and earth tone visual character. #17311B is visually closest to Carbon Fiber, a named gray color with HEX #1C1C1C.

The RGB channels are 23, 49, and 27, with green carrying the strongest channel weight. In HSL, the hue is 129deg with 36% 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 0.0246, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 21.61, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.49:1AA Fail

White text14.08:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #17311B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.49:1 · Fail

White text#FFFFFF14.08:1 · 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

#31172D#FFFFFF text · best 16.25:1#31172D

Raisin#FFFFFF text · best 15.93:1#242124

Generated Palette

#17311B#17311B

#31172D#31172D

#203117#203117

#173128#173128

#346F3D#346F3D

Black#000000

Color Harmonies

#31172D#31172D

#203117#203117

#173128#173128

#1B1731#1B1731

#311B17#311B17

Variants

#346F3D#346F3D

Black#000000

#0F3815#0F3815

#1F2920#1F2920

#4F7855#4F7855

#007011#007011

Nearest Named Colors

Carbon Fiber#1C1C1C

Raisin#242124

Slate Black#26282A

Matte Black#1A1A1A

Rubber#2A2725

#17311B

CSS

Machine-Readable HEX Data (JSON)

About #17311B

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides