Colors Encyclopedia

HEX atlas value

#504B21

#504B21 is a warm yellow HEX color close to Moss Deep. According to Colors Encyclopedia, it converts to RGB 80, 75, 33, HSL 54, 42%, 22%, has luminance 0.0685, and belongs to the dark and earth tone groups.

yellowwarmdarkearth-tone
#504B21 Sample readable text
HEX #504B21
RGB rgb(80, 75, 33)
HSL hsl(54 42% 22%)
CMYK cmyk(0, 6, 59, 69)
Luminance 0.0685
Contrast Black 2.37:1White 8.86:1

CSS

--color-504b21: #504B21;
.background-504b21 { background-color: #504B21; }
.text-504b21 { color: #504B21; }

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
Luminance0.0685
Black text2.37:1AA Fail
White text8.86:1AA 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":"#504B21","rgb":[80,75,33],"hsl":[54,42,22],"cmyk":[0,6,59,69],"luminance":0.0685,"contrast":{"black":2.37,"white":8.86}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":2.37,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":8.86,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"#0E0E06","hex":"#0E0E06","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":1.08,"contrastWhite":19.37,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#212550","hex":"#212550","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.45,"contrastWhite":14.52,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#503321","hex":"#503321","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.84,"contrastWhite":11.44,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Espresso","hex":"#4B3621","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.85,"contrastWhite":11.36,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Pine Bark","hex":"#4A3728","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.87,"contrastWhite":11.24,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm yellow","dark","earth tone","dark yellow","earth tone yellow","Moss Deep adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","dark theme accents","highlight and warning systems"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/504b21.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/moss-deep.json","https://www.colorsencyclopedia.com/api/colors/espresso.json","https://www.colorsencyclopedia.com/api/colors/bark.json"]}
Harmonies
{"complementary":"#212550","analogous":["#503321","#3D5021"],"triadic":["#21504B","#4B2150"],"tetradic":["#215033","#212550","#50213D"],"splitComplementary":["#213D50","#332150"],"monochromatic":["#91883B","#504B21","#0E0E06"]}
Variants
{"light":"#91883B","dark":"#0E0E06","saturated":"#5C5514","desaturated":"#43412D","pastel":"#989257","neon":"#998A00"}
Nearest named colors
[{"slug":"moss-deep","name":"Moss Deep","hex":"#4A5D23","distance":19.078784028338912},{"slug":"espresso","name":"Espresso","hex":"#4B3621","distance":21.587033144922902},{"slug":"bark","name":"Bark","hex":"#5B3A29","distance":21.77154105707724},{"slug":"pine-bark","name":"Pine Bark","hex":"#4A3728","distance":22.02271554554524},{"slug":"taupe","name":"Taupe","hex":"#483C32","distance":24.041630560342615}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #504B21

#504B21 is classified as a warm yellow value with dark and earth tone visual character. #504B21 is visually closest to Moss Deep, a named green color with HEX #4A5D23.

The RGB channels are 80, 75, and 33, with red carrying the strongest channel weight. In HSL, the hue is 54deg with 42% saturation and 22% 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 0.0685, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.08, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text2.37:1AA Fail
White text8.86:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #504B21 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.37:1 · Fail
White text#FFFFFF8.86:1 · AAA

Accessible Alternatives

#0E0E06#FFFFFF text · best 19.37:1#0E0E06
#212550#FFFFFF text · best 14.52:1#212550
#503321#FFFFFF text · best 11.44:1#503321
Espresso#FFFFFF text · best 11.36:1#4B3621
Pine Bark#FFFFFF text · best 11.24:1#4A3728

Generated Palette

#504B21#504B21
#212550#212550
#503321#503321
#3D5021#3D5021
#91883B#91883B
#0E0E06#0E0E06

Color Harmonies

#212550#212550
#503321#503321
#3D5021#3D5021
#21504B#21504B
#4B2150#4B2150

Variants

#91883B#91883B
#0E0E06#0E0E06
#5C5514#5C5514
#43412D#43412D
#989257#989257
#998A00#998A00

Nearest Named Colors

Moss Deep#4A5D23
Espresso#4B3621
Bark#5B3A29
Pine Bark#4A3728
Taupe#483C32

Related HEX Guides

Moss Deep colorOpen the nearest named color reference for #4A5D23.Espresso colorOpen the nearest named color reference for #4B3621.Bark colorOpen the nearest named color reference for #5B3A29.Yellow color familyBrowse named yellow colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Dark colorsFind colors in the dark 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.#504B21 APIOpen the machine-readable JSON record for this HEX value.