HEX atlas value

#153320

#153320 is a cool green HEX color close to Slate Black. According to Colors Encyclopedia, it converts to RGB 21, 51, 32, HSL 142, 42%, 14%, has luminance 0.0263, and belongs to the dark and earth tone groups.

#153320 Sample readable text
HEX #153320
RGB rgb(21, 51, 32)
HSL hsl(142 42% 14%)
CMYK cmyk(59, 0, 37, 80)
Luminance 0.0263
Contrast Black 1.53:1White 13.76:1

CSS

--color-153320: #153320;
.background-153320 { background-color: #153320; }
.text-153320 { color: #153320; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.0263
Black text1.53:1AA Fail
White text13.76:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#153320","rgb":[21,51,32],"hsl":[142,42,14],"cmyk":[59,0,37,80],"luminance":0.0263,"contrast":{"black":1.53,"white":13.76}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.53,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":13.76,"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 Fiber","hex":"#1C1C1C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#331528","hex":"#331528","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.28,"contrastWhite":16.43,"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"]},{"name":"Rubber","hex":"#2A2725","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.42,"contrastWhite":14.83,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["cool green","dark","earth tone","dark green","earth tone green","Slate Black 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/153320.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/slate-black.json","https://www.colorsencyclopedia.com/api/colors/raisin.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json"]}
Harmonies
{"complementary":"#331528","analogous":["#193315","#15332F"],"triadic":["#201533","#332015"],"tetradic":["#151933","#331528","#332F15"],"splitComplementary":["#2F1533","#331519"],"monochromatic":["#2F7448","#153320","#000000"]}
Variants
{"light":"#2F7448","dark":"#000000","saturated":"#0D3B1E","desaturated":"#1D2B22","pastel":"#497E5C","neon":"#007029"}
Nearest named colors
[{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":22.58317958127243},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":23.769728648009426},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":24.372115213907882},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":24.698178070456937},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":25.865034312755125}]

HEX meaning and use

About #153320

#153320 is classified as a cool green value with dark and earth tone visual character. #153320 is visually closest to Slate Black, a named gray color with HEX #26282A.

The RGB channels are 21, 51, and 32, with green carrying the strongest channel weight. In HSL, the hue is 142deg with 42% 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 0.0263, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 22.58, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.53:1AA Fail
White text13.76:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #153320 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.53:1 · Fail
White text#FFFFFF13.76:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C
#331528#FFFFFF text · best 16.43:1#331528
Raisin#FFFFFF text · best 15.93:1#242124
Rubber#FFFFFF text · best 14.83:1#2A2725

Generated Palette

#153320#153320
#331528#331528
#193315#193315
#15332F#15332F
#2F7448#2F7448
Black#000000

Color Harmonies

#331528#331528
#193315#193315
#15332F#15332F
#201533#201533
#332015#332015

Variants

#2F7448#2F7448
Black#000000
#0D3B1E#0D3B1E
#1D2B22#1D2B22
#497E5C#497E5C
#007029#007029

Nearest Named Colors