Colors Encyclopedia

Named color

Mustard Yellow

Mustard Yellow is a vibrant yellow color with HEX #E1AD01. According to Colors Encyclopedia, it has RGB 225, 173, 1, HSL 46, 99%, 44%, warm temperature, and is useful for highlight colors, editorial accents, and warm backgrounds.

#E1AD01 yellow warm vibrant
HEX #E1AD01
RGB rgb(225, 173, 1)
HSL hsl(46 99% 44%)
CMYK cmyk(0, 23, 100, 12)
Luminance 0.459
Contrast Black 10.18:1White 2.06:1

CSS Utilities

--color-mustard-yellow: #E1AD01;
.bg-mustard-yellow { background-color: #E1AD01; }
.text-mustard-yellow { color: #E1AD01; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Machine-readable data

Machine-Readable Color Data (JSON)

Perfect for CSS, design systems, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.459
Black text10.18:1AA Pass
White text2.06:1AA 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": "#E1AD01",
  "rgb": [
    225,
    173,
    1
  ],
  "hsl": [
    46,
    99,
    44
  ],
  "cmyk": [
    0,
    23,
    100,
    12
  ],
  "luminance": 0.459,
  "contrast": {
    "black": 10.18,
    "white": 2.06
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ],
  "AAA": [
    "#000000",
    "#1A1A1A"
  ]
}
Harmonies
{
  "complementary": "#0135DF",
  "analogous": [
    "#DF3C01",
    "#A4DF01"
  ],
  "triadic": [
    "#01DFAB",
    "#AB01DF"
  ],
  "tetradic": [
    "#01DF3C",
    "#0135DF",
    "#DF01A4"
  ],
  "splitComplementary": [
    "#01A4DF",
    "#3C01DF"
  ],
  "monochromatic": [
    "#FED13E",
    "#E1AD01",
    "#846501"
  ]
}
Variants
{
  "light": "#FED13E",
  "dark": "#846501",
  "saturated": "#E0AC00",
  "desaturated": "#C79E1A",
  "pastel": "#F2D36E",
  "neon": "#FFC60A"
}
Pairings
{
  "best": [
    "#000000",
    "#0135DF",
    "#DF3C01",
    "#A4DF01"
  ],
  "avoid": [
    "#C79E1A",
    "#FED13E"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#FED13E",
    "#C79E1A"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "industrial-yellow",
    "chrome-yellow",
    "orange",
    "goldenrod",
    "amber"
  ],
  "generatedPalettes": [
    "mustard-yellow"
  ],
  "generatedComparisons": [
    "goldenrod-vs-mustard-yellow",
    "mustard-yellow-vs-chrome-yellow",
    "mustard-yellow-vs-industrial-yellow"
  ],
  "relatedFamilies": [
    "/colors/by-family/yellow",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/mustard-yellow",
    "/wcag/mustard-yellow",
    "/css/colors/mustard-yellow",
    "/hex/e1ad01"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/yellow",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/mustard-yellow"
    ],
    "related": [
      "/colors/industrial-yellow",
      "/colors/chrome-yellow",
      "/colors/orange",
      "/colors/goldenrod",
      "/colors/amber",
      "/compare/goldenrod-vs-mustard-yellow",
      "/compare/mustard-yellow-vs-chrome-yellow",
      "/compare/mustard-yellow-vs-industrial-yellow",
      "/harmonies/mustard-yellow",
      "/wcag/mustard-yellow",
      "/css/colors/mustard-yellow",
      "/hex/e1ad01"
    ]
  }
}
Full JSON dataset 
{
  "slug": "mustard-yellow",
  "name": "Mustard Yellow",
  "hex": "#E1AD01",
  "uses": [
    "highlight colors",
    "editorial accents",
    "warm backgrounds"
  ],
  "psychology": {
    "associations": [
      "optimism",
      "clarity",
      "warmth"
    ],
    "contexts": [
      "education",
      "food",
      "lifestyle",
      "print design"
    ],
    "avoidIn": [
      "long-form text backgrounds at high saturation"
    ]
  },
  "aliases": [],
  "sourceType": "curated",
  "confidence": "medium",
  "reviewStatus": "manual",
  "sourceUrl": "https://www.colorsencyclopedia.com/assets/colors.json",
  "origin": {
    "type": "common",
    "notes": "Curated common color reference used in design and editorial color systems."
  },
  "family": "yellow",
  "temperature": "warm",
  "tone": [
    "vibrant"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "yellow",
    "warm",
    "vibrant",
    "highlight-colors",
    "editorial-accents",
    "warm-backgrounds",
    "optimism",
    "clarity",
    "warmth"
  ],
  "popularity": 84,
  "rgb": [
    225,
    173,
    1
  ],
  "hsl": [
    46,
    99,
    44
  ],
  "cmyk": [
    0,
    23,
    100,
    12
  ],
  "luminance": 0.459,
  "contrast": {
    "black": 10.18,
    "white": 2.06
  },
  "harmonies": {
    "complementary": "#0135DF",
    "analogous": [
      "#DF3C01",
      "#A4DF01"
    ],
    "triadic": [
      "#01DFAB",
      "#AB01DF"
    ],
    "tetradic": [
      "#01DF3C",
      "#0135DF",
      "#DF01A4"
    ],
    "splitComplementary": [
      "#01A4DF",
      "#3C01DF"
    ],
    "monochromatic": [
      "#FED13E",
      "#E1AD01",
      "#846501"
    ]
  },
  "variants": {
    "light": "#FED13E",
    "dark": "#846501",
    "saturated": "#E0AC00",
    "desaturated": "#C79E1A",
    "pastel": "#F2D36E",
    "neon": "#FFC60A"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A"
    ]
  },
  "css": {
    "variable": "--color-mustard-yellow: #E1AD01;",
    "utility": ".bg-mustard-yellow { background-color: #E1AD01; }",
    "textUtility": ".text-mustard-yellow { color: #E1AD01; }"
  },
  "nearestColors": [
    "industrial-yellow",
    "chrome-yellow",
    "orange",
    "goldenrod",
    "amber"
  ],
  "generatedPalettes": [
    "mustard-yellow"
  ],
  "generatedComparisons": [
    "goldenrod-vs-mustard-yellow",
    "mustard-yellow-vs-chrome-yellow",
    "mustard-yellow-vs-industrial-yellow"
  ],
  "relatedFamilies": [
    "/colors/by-family/yellow",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/mustard-yellow",
    "/wcag/mustard-yellow",
    "/css/colors/mustard-yellow",
    "/hex/e1ad01"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/yellow",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/mustard-yellow"
    ],
    "related": [
      "/colors/industrial-yellow",
      "/colors/chrome-yellow",
      "/colors/orange",
      "/colors/goldenrod",
      "/colors/amber",
      "/compare/goldenrod-vs-mustard-yellow",
      "/compare/mustard-yellow-vs-chrome-yellow",
      "/compare/mustard-yellow-vs-industrial-yellow",
      "/harmonies/mustard-yellow",
      "/wcag/mustard-yellow",
      "/css/colors/mustard-yellow",
      "/hex/e1ad01"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#0135DF",
      "#DF3C01",
      "#A4DF01"
    ],
    "avoid": [
      "#C79E1A",
      "#FED13E"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#FED13E",
      "#C79E1A"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Mustard Yellow Color

Mustard Yellow sits in the yellow family with warm temperature and vibrant visual character. Mustard Yellow is a commonly used color name in design references, palettes, and editorial color systems.

Its common associations include optimism, clarity, and warmth, which makes it relevant for education and food. In design work, Mustard Yellow is most useful for highlight colors, editorial accents, and warm backgrounds, especially when paired with black text for stronger contrast.

Related Color Guides

Yellow color familyBrowse named yellow colors and compare nearby swatches.Warm colorsExplore colors with warm temperature behavior.Vibrant colorsFind colors with vibrant visual character.Mustard Yellow accessibilityCheck contrast and WCAG text options for #E1AD01.Mustard Yellow CSS utilitiesUse Mustard Yellow in CSS variables and utility classes.#E1AD01 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Mustard Yellow paletteOpen the generated palette based on Mustard Yellow.Mustard Yellow harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Mustard Yellow against black and white text.

Black text10.18:1AA Pass
White text2.06:1AA Fail
AA text options#000000, #1A1A1A, #36454F
AAA text options#000000, #1A1A1A
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Industrial Yellow#F3C300
Chrome Yellow#FFA700
Orange#FFA500
Goldenrod#DAA520
Amber#FFBF00

Color Harmonies

#0135DF#0135DF
#DF3C01#DF3C01
#A4DF01#A4DF01
#01DFAB#01DFAB
#AB01DF#AB01DF
Open full Mustard Yellow harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#FED13E#FED13E
#846501#846501
#E0AC00#E0AC00
#C79E1A#C79E1A
#F2D36E#F2D36E
#FFC60A#FFC60A

Pairings

Black#000000
#0135DF#0135DF
#DF3C01#DF3C01
#A4DF01#A4DF01
Matte Black#1A1A1A
White Smoke#F5F5F5