Colors Encyclopedia

HEX atlas value

#423F2E

#423F2E is a warm yellow HEX color close to Taupe. According to Colors Encyclopedia, it converts to RGB 66, 63, 46, HSL 51, 18%, 22%, has luminance 0.0491, and belongs to the dark and earth tone groups.

yellowwarmdarkearth-tone
#423F2E Sample readable text
HEX #423F2E
RGB rgb(66, 63, 46)
HSL hsl(51 18% 22%)
CMYK cmyk(0, 5, 30, 74)
Luminance 0.0491
Contrast Black 1.98:1White 10.6:1

CSS

--color-423f2e: #423F2E;
.background-423f2e { background-color: #423F2E; }
.text-423f2e { color: #423F2E; }

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
Luminance0.0491
Black text1.98:1AA Fail
White text10.6:1AA 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":"#423F2E","rgb":[66,63,46],"hsl":[51,18,22],"cmyk":[0,5,30,74],"luminance":0.0491,"contrast":{"black":1.98,"white":10.6}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.98,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":10.6,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"#0C0B08","hex":"#0C0B08","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":1.07,"contrastWhite":19.66,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#2E3142","hex":"#2E3142","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.63,"contrastWhite":12.85,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Peat","hex":"#3B2F2F","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.63,"contrastWhite":12.85,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#42352E","hex":"#42352E","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.78,"contrastWhite":11.8,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Graphite","hex":"#383838","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.79,"contrastWhite":11.73,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm yellow","dark","earth tone","dark yellow","earth tone yellow","Taupe 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/423f2e.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/taupe.json","https://www.colorsencyclopedia.com/api/colors/pine-bark.json","https://www.colorsencyclopedia.com/api/colors/graphite.json"]}
Harmonies
{"complementary":"#2E3142","analogous":["#42352E","#3B422E"],"triadic":["#2E423F","#3F2E42"],"tetradic":["#2E4235","#2E3142","#422E3B"],"splitComplementary":["#2E3B42","#352E42"],"monochromatic":["#787354","#423F2E","#0C0B08"]}
Variants
{"light":"#787354","dark":"#0C0B08","saturated":"#4F4822","desaturated":"#383838","pastel":"#7B7A74","neon":"#998200"}
Nearest named colors
[{"slug":"taupe","name":"Taupe","hex":"#483C32","distance":7.810249675906654},{"slug":"pine-bark","name":"Pine Bark","hex":"#4A3728","distance":12.806248474865697},{"slug":"graphite","name":"Graphite","hex":"#383838","distance":15.7797338380595},{"slug":"peat","name":"Peat","hex":"#3B2F2F","distance":17.4928556845359},{"slug":"espresso","name":"Espresso","hex":"#4B3621","distance":18.193405398660254}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #423F2E

#423F2E is classified as a warm yellow value with dark and earth tone visual character. #423F2E is visually closest to Taupe, a named orange color with HEX #483C32.

The RGB channels are 66, 63, and 46, with red carrying the strongest channel weight. In HSL, the hue is 51deg with 18% saturation and 22% lightness, so this page treats it as a low-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 0.0491, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 7.81, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.98:1AA Fail
White text10.6:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #423F2E needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.98:1 · Fail
White text#FFFFFF10.6:1 · AAA

Accessible Alternatives

#0C0B08#FFFFFF text · best 19.66:1#0C0B08
#2E3142#FFFFFF text · best 12.85:1#2E3142
Peat#FFFFFF text · best 12.85:1#3B2F2F
#42352E#FFFFFF text · best 11.8:1#42352E
Graphite#FFFFFF text · best 11.73:1#383838

Generated Palette

#423F2E#423F2E
#2E3142#2E3142
#42352E#42352E
#3B422E#3B422E
#787354#787354
#0C0B08#0C0B08

Color Harmonies

#2E3142#2E3142
#42352E#42352E
#3B422E#3B422E
#2E423F#2E423F
#3F2E42#3F2E42

Variants

#787354#787354
#0C0B08#0C0B08
#4F4822#4F4822
Graphite#383838
#7B7A74#7B7A74
#998200#998200

Nearest Named Colors

Taupe#483C32
Pine Bark#4A3728
Graphite#383838
Peat#3B2F2F
Espresso#4B3621

Related HEX Guides

Taupe colorOpen the nearest named color reference for #483C32.Pine Bark colorOpen the nearest named color reference for #4A3728.Graphite colorOpen the nearest named color reference for #383838.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.#423F2E APIOpen the machine-readable JSON record for this HEX value.