HEX atlas value

#104C1D

#104C1D is a cool green HEX color close to British Racing Green. According to Colors Encyclopedia, it converts to RGB 16, 76, 29, HSL 133, 65%, 18%, has luminance 0.0537, and belongs to the dark and jewel tone groups.

green cool dark jewel-tone

#104C1D Sample readable text

HEX #104C1D

RGB rgb(16, 76, 29)

HSL hsl(133 65% 18%)

CMYK cmyk(79, 0, 62, 70)

Luminance 0.0537

Contrast Black 2.07:1White 10.13:1

CSS

--color-104c1d: #104C1D;
.background-104c1d { background-color: #104C1D; }
.text-104c1d { color: #104C1D; }

Luminance0.0537

Black text2.07:1AA Fail

White text10.13:1AA 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":"#104C1D","rgb":[16,76,29],"hsl":[133,65,18],"cmyk":[79,0,62,70],"luminance":0.0537,"contrast":{"black":2.07,"white":10.13}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":2.07,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":10.13,"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":"Slate Black","hex":"#26282A","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.42,"contrastWhite":14.79,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#4C103F","hex":"#4C103F","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.45,"contrastWhite":14.44,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Charcoal Blue","hex":"#263238","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.6,"contrastWhite":13.16,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"British Racing Green","hex":"#004225","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.81,"contrastWhite":11.63,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["cool green","dark","jewel tone","dark green","jewel tone green","British Racing Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","dark theme accents","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/104c1d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/british-racing-green.json","https://www.colorsencyclopedia.com/api/colors/emerald-dark.json","https://www.colorsencyclopedia.com/api/colors/dark-green.json"]}

Harmonies

{"complementary":"#4C103F","analogous":["#214C10","#104C3B"],"triadic":["#1D104C","#4C1D10"],"tetradic":["#10214C","#4C103F","#4C3B10"],"splitComplementary":["#3B104C","#4C1021"],"monochromatic":["#20973A","#104C1D","#000000"]}

Variants

{"light":"#20973A","dark":"#000000","saturated":"#065617","desaturated":"#1A4223","pastel":"#37A44F","neon":"#00851D"}

Nearest named colors

[{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":20.493901531919196},{"slug":"emerald-dark","name":"Emerald Dark","hex":"#046307","distance":34.0147027033899},{"slug":"dark-green","name":"Dark Green","hex":"#006400","distance":40.90232267243512},{"slug":"charcoal-blue","name":"Charcoal Blue","hex":"#263238","distance":43.46262762420146},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":44.14748010928823}]

HEX meaning and use

About #104C1D

#104C1D is classified as a cool green value with dark and jewel tone visual character. #104C1D is visually closest to British Racing Green, a named green color with HEX #004225.

The RGB channels are 16, 76, and 29, with green carrying the strongest channel weight. In HSL, the hue is 133deg with 65% saturation and 18% 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 rich accent palettes. Its luminance is 0.0537, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.49, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text2.07:1AA Fail

White text10.13:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #104C1D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.07:1 · Fail

White text#FFFFFF10.13:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

Slate Black#FFFFFF text · best 14.79:1#26282A

#4C103F#FFFFFF text · best 14.44:1#4C103F

Charcoal Blue#FFFFFF text · best 13.16:1#263238

British Racing Green#FFFFFF text · best 11.63:1#004225

Generated Palette

#104C1D#104C1D

#4C103F#4C103F

#214C10#214C10

#104C3B#104C3B

#20973A#20973A

Black#000000

Color Harmonies

#4C103F#4C103F

#214C10#214C10

#104C3B#104C3B

#1D104C#1D104C

#4C1D10#4C1D10

Variants

#20973A#20973A

Black#000000

#065617#065617

#1A4223#1A4223

#37A44F#37A44F

#00851D#00851D

Nearest Named Colors

British Racing Green#004225

Emerald Dark#046307

Dark Green#006400

Charcoal Blue#263238

Slate Black#26282A

#104C1D

CSS

Machine-Readable HEX Data (JSON)

About #104C1D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides