Colors Encyclopedia

HEX atlas value

#858151

#858151 is a warm yellow HEX color close to Moss Green. According to Colors Encyclopedia, it converts to RGB 133, 129, 81, HSL 55, 24%, 42%, has luminance 0.2128, and belongs to the muted and earth tone groups.

yellowwarmmutedearth-tone
#858151 Sample readable text
HEX #858151
RGB rgb(133, 129, 81)
HSL hsl(55 24% 42%)
CMYK cmyk(0, 3, 39, 48)
Luminance 0.2128
Contrast Black 5.26:1White 4:1

CSS

--color-858151: #858151;
.background-858151 { background-color: #858151; }
.text-858151 { color: #858151; }

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
Luminance0.2128
Black text5.26:1AA Pass
White text4:1AA Fail
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":"#858151","rgb":[133,129,81],"hsl":[55,24,42],"cmyk":[0,3,39,48],"luminance":0.2128,"contrast":{"black":5.26,"white":4}}
WCAG
{"AA":["#000000"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":5.26,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#B1AD81","hex":"#B1AD81","family":"yellow","bestTextColor":"#000000","contrastBlack":9.16,"contrastWhite":2.29,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#4C492F","hex":"#4C492F","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":2.3,"contrastWhite":9.12,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#515685","hex":"#515685","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":3.02,"contrastWhite":6.95,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"Moss Green","hex":"#8A9A5B","family":"green","bestTextColor":"#000000","contrastBlack":6.85,"contrastWhite":3.06,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#9C943A","hex":"#9C943A","family":"yellow","bestTextColor":"#000000","contrastBlack":6.71,"contrastWhite":3.13,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm yellow","muted","earth tone","muted yellow","earth tone yellow","Moss Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes","natural palettes","highlight and warning systems"],"contrastSafeWith":["#000000"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/858151.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/moss-green.json","https://www.colorsencyclopedia.com/api/colors/raw-umber.json","https://www.colorsencyclopedia.com/api/colors/mocha.json"]}
Harmonies
{"complementary":"#515685","analogous":["#856751","#6F8551"],"triadic":["#518581","#815185"],"tetradic":["#518567","#515685","#85516F"],"splitComplementary":["#516F85","#675185"],"monochromatic":["#B1AD81","#858151","#4C492F"]}
Variants
{"light":"#B1AD81","dark":"#4C492F","saturated":"#9C943A","desaturated":"#6D6D69","pastel":"#B2B1A3","neon":"#FFEA00"}
Nearest named colors
[{"slug":"moss-green","name":"Moss Green","hex":"#8A9A5B","distance":27.386127875258307},{"slug":"raw-umber","name":"Raw Umber","hex":"#826644","distance":30.116440692751194},{"slug":"mocha","name":"Mocha","hex":"#967969","distance":30.479501308256342},{"slug":"olive-green","name":"Olive Green","hex":"#708238","distance":32.66496594212215},{"slug":"oak","name":"Oak","hex":"#A8754F","distance":37.05401462729781}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #858151

#858151 is classified as a warm yellow value with muted and earth tone visual character. #858151 is visually closest to Moss Green, a named green color with HEX #8A9A5B.

The RGB channels are 133, 129, and 81, with red carrying the strongest channel weight. In HSL, the hue is 55deg with 24% saturation and 42% lightness, so this page treats it as a low-saturation, mid-lightness 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 muted interface themes. Its luminance is 0.2128, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 27.39, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.26:1AA Pass
White text4:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #858151 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.26:1 · AA
White text#FFFFFF4:1 · Fail

Accessible Alternatives

#B1AD81#000000 text · best 9.16:1#B1AD81
#4C492F#FFFFFF text · best 9.12:1#4C492F
#515685#FFFFFF text · best 6.95:1#515685
Moss Green#000000 text · best 6.85:1#8A9A5B
#9C943A#000000 text · best 6.71:1#9C943A

Generated Palette

#858151#858151
#515685#515685
#856751#856751
#6F8551#6F8551
#B1AD81#B1AD81
#4C492F#4C492F

Color Harmonies

#515685#515685
#856751#856751
#6F8551#6F8551
#518581#518581
#815185#815185

Variants

#B1AD81#B1AD81
#4C492F#4C492F
#9C943A#9C943A
#6D6D69#6D6D69
#B2B1A3#B2B1A3
#FFEA00#FFEA00

Nearest Named Colors

Moss Green#8A9A5B
Raw Umber#826644
Mocha#967969
Olive Green#708238
Oak#A8754F

Related HEX Guides

Moss Green colorOpen the nearest named color reference for #8A9A5B.Raw Umber colorOpen the nearest named color reference for #826644.Mocha colorOpen the nearest named color reference for #967969.Yellow color familyBrowse named yellow colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Muted colorsFind colors in the muted group.Earth Tone colorsFind colors in the earth tone group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#858151 APIOpen the machine-readable JSON record for this HEX value.