HEX atlas value

#12100D

#12100D is a warm orange HEX color nearest Carbon Black. RGB 18, 16, 13, HSL 36° 16% 6%, luminance 0.0053; view contrast and conversions.

orange warm dark earth-tone

#12100D Sample readable text

HEX #12100D

RGB rgb(18, 16, 13)

HSL hsl(36 16% 6%)

CMYK cmyk(0, 11, 28, 93)

Luminance 0.0053

Contrast Black 1.11:1White 18.99:1

CSS

--color-12100d: #12100D;
.background-12100d { background-color: #12100D; }
.text-12100d { color: #12100D; }

HEX meaning and use

About #12100D

#12100D is classified as a warm orange value with dark and earth tone visual character. #12100D is visually closest to Carbon Black, a named gray color with HEX #0C0C0C.

The RGB channels are 18, 16, and 13, with red carrying the strongest channel weight. In HSL, the hue is 36deg with 16% saturation and 6% lightness, so this page treats it as a low-saturation, dark atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and natural palettes. Its luminance is 0.0053, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 7.28, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.11:1AA Fail

White text18.99:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #12100D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.11:1 · Fail

White text#FFFFFF18.99:1 · AAA

Accessible Alternatives

Black#000000 · #FFFFFF text · best 21:1 Carbon Black#0C0C0C · #FFFFFF text · best 19.55:1 #120D0D#120D0D · #FFFFFF text · best 19.27:1 #0D0F12#0D0F12 · #FFFFFF text · best 19.2:1 #0F0F0F#0F0F0F · #FFFFFF text · best 19.16:1

Generated Palette

#12100D#12100D

#0D0F12#0D0F12

#120D0D#120D0D

#11120D#11120D

#473F33#473F33

Black#000000

Color Harmonies

#0D0F12#0D0F12

#120D0D#120D0D

#11120D#11120D

#0D1210#0D1210

#100D12#100D12

Variants

#473F33#473F33

Black#000000

#151009#151009

#0F0F0F#0F0F0F

#504F4E#504F4E

#472B00#472B00

Nearest Named Colors

Carbon Black#0C0C0C

Matte Black#1A1A1A

Carbon Fiber#1C1C1C

Black#000000

Raisin#242124

Luminance0.0053

Black text1.11:1AA Fail

White text18.99:1AA 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":"#12100D","rgb":[18,16,13],"hsl":[36,16,6],"cmyk":[0,11,28,93],"luminance":0.0053,"contrast":{"black":1.11,"white":18.99}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.11,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":18.99,"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":"Carbon Black","hex":"#0C0C0C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.07,"contrastWhite":19.55,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#120D0D","hex":"#120D0D","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.09,"contrastWhite":19.27,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#0D0F12","hex":"#0D0F12","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.09,"contrastWhite":19.2,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#0F0F0F","hex":"#0F0F0F","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.1,"contrastWhite":19.16,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["warm orange","dark","earth tone","dark orange","earth tone orange","Carbon Black adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","dark theme accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/12100d.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":"#0D0F12","analogous":["#120D0D","#11120D"],"triadic":["#0D1210","#100D12"],"tetradic":["#0D120D","#0D0F12","#120D11"],"splitComplementary":["#0D1112","#0D0D12"],"monochromatic":["#473F33","#12100D","#000000"]}

Variants

{"light":"#473F33","dark":"#000000","saturated":"#151009","desaturated":"#0F0F0F","pastel":"#504F4E","neon":"#472B00"}

Nearest named colors

[{"slug":"carbon-black","name":"Carbon Black","hex":"#0C0C0C","distance":7.280109889280518},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":18.24828759089466},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":21.656407827707714},{"slug":"black","name":"Black","hex":"#000000","distance":27.367864366808018},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":33.793490497431605}]

#12100D

CSS

About #12100D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides