HEX atlas value

#151806

#151806 is a cool green HEX color close to Carbon Black. According to Colors Encyclopedia, it converts to RGB 21, 24, 6, HSL 70, 60%, 6%, has luminance 0.0083, and belongs to the dark, earth tone, and jewel tone groups.

green cool dark earth-tone jewel-tone

#151806 Sample readable text

HEX #151806

RGB rgb(21, 24, 6)

HSL hsl(70 60% 6%)

CMYK cmyk(12, 0, 75, 91)

Luminance 0.0083

Contrast Black 1.17:1White 18.01:1

CSS

--color-151806: #151806;
.background-151806 { background-color: #151806; }
.text-151806 { color: #151806; }

Luminance0.0083

Black text1.17:1AA Fail

White text18.01:1AA 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":"#151806","rgb":[21,24,6],"hsl":[70,60,6],"cmyk":[12,0,75,91],"luminance":0.0083,"contrast":{"black":1.17,"white":18.01}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.17,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":18.01,"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":"#090618","hex":"#090618","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.05,"contrastWhite":20,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Carbon Black","hex":"#0C0C0C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.07,"contrastWhite":19.55,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#181206","hex":"#181206","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.13,"contrastWhite":18.62,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#131509","hex":"#131509","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.14,"contrastWhite":18.45,"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 Black 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/151806.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/carbon-black.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json"]}

Harmonies

{"complementary":"#090618","analogous":["#181206","#0C1806"],"triadic":["#061518","#180615"],"tetradic":["#061812","#090618","#18060C"],"splitComplementary":["#060C18","#120618"],"monochromatic":["#566218","#151806","#000000"]}

Variants

{"light":"#566218","dark":"#000000","saturated":"#181C03","desaturated":"#131509","pastel":"#67732B","neon":"#3B4700"}

Nearest named colors

[{"slug":"carbon-black","name":"Carbon Black","hex":"#0C0C0C","distance":16.15549442140351},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":20.71231517720798},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":23.430749027719962},{"slug":"black","name":"Black","hex":"#000000","distance":32.449961479175904},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":34.72751070837067}]

HEX meaning and use

About #151806

#151806 is classified as a cool green value with dark, earth tone, and jewel tone visual character. #151806 is visually closest to Carbon Black, a named gray color with HEX #0C0C0C.

The RGB channels are 21, 24, and 6, with green carrying the strongest channel weight. In HSL, the hue is 70deg with 60% saturation and 6% 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 0.0083, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 16.16, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.17:1AA Fail

White text18.01:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #151806 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.17:1 · Fail

White text#FFFFFF18.01:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

#090618#FFFFFF text · best 20:1#090618

Carbon Black#FFFFFF text · best 19.55:1#0C0C0C

#181206#FFFFFF text · best 18.62:1#181206

#131509#FFFFFF text · best 18.45:1#131509

Generated Palette

#151806#151806

#090618#090618

#181206#181206

#0C1806#0C1806

#566218#566218

Black#000000

Color Harmonies

#090618#090618

#181206#181206

#0C1806#0C1806

#061518#061518

#180615#180615

Variants

#566218#566218

Black#000000

#181C03#181C03

#131509#131509

#67732B#67732B

#3B4700#3B4700

Nearest Named Colors

Carbon Black#0C0C0C

Matte Black#1A1A1A

Carbon Fiber#1C1C1C

Black#000000

Raisin#242124

#151806

CSS

Machine-Readable HEX Data (JSON)

About #151806

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides