HEX atlas value

#21260D

#21260D is a cool green HEX color close to Carbon Fiber. According to Colors Encyclopedia, it converts to RGB 33, 38, 13, HSL 72, 49%, 10%, has luminance 0.0174, and belongs to the dark, earth tone, and jewel tone groups.

green cool dark earth-tone jewel-tone

#21260D Sample readable text

HEX #21260D

RGB rgb(33, 38, 13)

HSL hsl(72 49% 10%)

CMYK cmyk(13, 0, 66, 85)

Luminance 0.0174

Contrast Black 1.35:1White 15.58:1

CSS

--color-21260d: #21260D;
.background-21260d { background-color: #21260D; }
.text-21260d { color: #21260D; }

Luminance0.0174

Black text1.35:1AA Fail

White text15.58:1AA 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":"#21260D","rgb":[33,38,13],"hsl":[72,49,10],"cmyk":[13,0,66,85],"luminance":0.0174,"contrast":{"black":1.35,"white":15.58}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.35,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":15.58,"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":"#120D26","hex":"#120D26","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.11,"contrastWhite":18.88,"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":"#1E2013","hex":"#1E2013","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":1.27,"contrastWhite":16.51,"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/21260d.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/raisin.json"]}

Harmonies

{"complementary":"#120D26","analogous":["#261E0D","#15260D"],"triadic":["#0D2126","#260D21"],"tetradic":["#0D261E","#120D26","#260D15"],"splitComplementary":["#0D1526","#1E0D26"],"monochromatic":["#5C6A24","#21260D","#000000"]}

Variants

{"light":"#5C6A24","dark":"#000000","saturated":"#242C07","desaturated":"#1E2013","pastel":"#6B783B","neon":"#495C00"}

Nearest named colors

[{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":18.708286933869708},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":19.026297590440446},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":23.727621035409346},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":25.65151067676132},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":29.49576240750525}]

HEX meaning and use

About #21260D

#21260D is classified as a cool green value with dark, earth tone, and jewel tone visual character. #21260D is visually closest to Carbon Fiber, a named gray color with HEX #1C1C1C.

The RGB channels are 33, 38, and 13, with green carrying the strongest channel weight. In HSL, the hue is 72deg with 49% saturation and 10% 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 0.0174, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.71, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.35:1AA Fail

White text15.58:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #21260D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.35:1 · Fail

White text#FFFFFF15.58:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

#120D26#FFFFFF text · best 18.88:1#120D26

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

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

#1E2013#FFFFFF text · best 16.51:1#1E2013

Generated Palette

#21260D#21260D

#120D26#120D26

#261E0D#261E0D

#15260D#15260D

#5C6A24#5C6A24

Black#000000

Color Harmonies

#120D26#120D26

#261E0D#261E0D

#15260D#15260D

#0D2126#0D2126

#260D21#260D21

Variants

#5C6A24#5C6A24

Black#000000

#242C07#242C07

#1E2013#1E2013

#6B783B#6B783B

#495C00#495C00

Nearest Named Colors

Carbon Fiber#1C1C1C

Matte Black#1A1A1A

Raisin#242124

Rubber#2A2725

Slate Black#26282A

#21260D

CSS

Machine-Readable HEX Data (JSON)

About #21260D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides