WCAG accessibility

Cadmium Yellow Accessibility

Cadmium Yellow accessibility depends on contrast against black and white text for its HEX value #FFF600. According to Colors Encyclopedia, black text gives the stronger contrast for this color, with black 18.43:1 and white 1.14:1.

Cadmium Yellow has strong WCAG behavior because it reaches AAA contrast with #000000, #1A1A1A, and #36454F text. It can be used for normal text, badges, compact UI, and interface components when paired with the listed foreground colors.

Color page #FFF600 yellow

Black contrast18.43:1 · AAA

White contrast1.14:1 · fail

AA options#000000, #1A1A1A, #36454F

AAA options#000000, #1A1A1A, #36454F

Luminance0.8717

Best standard text#000000

Accessibility-Safe Pairings

Foreground and background pairings that reach at least WCAG AA contrast against Cadmium Yellow.

Safe Text Colors

Black text#000000 · 18.43:1 · AAA

Dark UI text#111827 · 15.57:1 · AAA

Safe Background Colors

#111827#111827 · 15.57:1 · AAA

Black#000000 · 18.43:1 · AAA

Accessibility Issues and Warnings

WarningVery light surfaces can disappear against white layouts without a visible border.

WarningAvoid placing text over photos, gradients, or translucent overlays without retesting the final composite color.

Accessibility in UI Components

ButtonUse checked foreground text and a visible focus ring.

BadgePrefer bold labels and enough horizontal padding.

Card borderUse as a non-text accent when text contrast is tight.

Accessibility Alternatives

Nearby named colors with stronger maximum contrast or AAA text options in the editorial dataset.

Yellow#FFFF00Best 19.56:1Lemon#FFF700Best 18.56:1Canary Yellow#FFEF00Best 17.6:1Golden Yellow#FFDF00Best 15.81:1School Bus Yellow#FFD800Best 15.07:1

Luminance0.8717

Black text18.43:1AA Pass

White text1.14:1AA Fail

contrastBlack and white contrast ratios

ratingsWCAG rating by foreground color

wcagAA and AAA text options

safePairingsText, background, and border pairings

warningsPractical accessibility risks

accessibilityAlternativesNearby stronger named colors

Structured sections

Contrast

{
  "contrast": {
    "black": 18.43,
    "white": 1.14
  },
  "ratings": {
    "blackText": "AAA",
    "whiteText": "fail"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  }
}

Safe pairings

{
  "text": [
    {
      "label": "Black text",
      "hex": "#000000",
      "ratio": 18.43,
      "rating": "AAA"
    },
    {
      "label": "Dark UI text",
      "hex": "#111827",
      "ratio": 15.57,
      "rating": "AAA"
    }
  ],
  "backgrounds": [
    {
      "label": "#111827",
      "hex": "#111827",
      "ratio": 15.57,
      "rating": "AAA"
    },
    {
      "label": "Black",
      "hex": "#000000",
      "ratio": 18.43,
      "rating": "AAA"
    }
  ],
  "borders": []
}

Warnings

[
  "Very light surfaces can disappear against white layouts without a visible border.",
  "Avoid placing text over photos, gradients, or translucent overlays without retesting the final composite color."
]

Alternatives

[
  {
    "slug": "yellow",
    "name": "Yellow",
    "hex": "#FFFF00",
    "family": "yellow",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "blackContrast": 19.56,
    "whiteContrast": 1.07,
    "maxContrast": 19.56,
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "url": "https://www.colorsencyclopedia.com/wcag/yellow/"
  },
  {
    "slug": "lemon",
    "name": "Lemon",
    "hex": "#FFF700",
    "family": "yellow",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "blackContrast": 18.56,
    "whiteContrast": 1.13,
    "maxContrast": 18.56,
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "url": "https://www.colorsencyclopedia.com/wcag/lemon/"
  },
  {
    "slug": "canary-yellow",
    "name": "Canary Yellow",
    "hex": "#FFEF00",
    "family": "yellow",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "blackContrast": 17.6,
    "whiteContrast": 1.19,
    "maxContrast": 17.6,
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "url": "https://www.colorsencyclopedia.com/wcag/canary-yellow/"
  },
  {
    "slug": "golden-yellow",
    "name": "Golden Yellow",
    "hex": "#FFDF00",
    "family": "yellow",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "blackContrast": 15.81,
    "whiteContrast": 1.33,
    "maxContrast": 15.81,
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "url": "https://www.colorsencyclopedia.com/wcag/golden-yellow/"
  },
  {
    "slug": "school-bus-yellow",
    "name": "School Bus Yellow",
    "hex": "#FFD800",
    "family": "yellow",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "blackContrast": 15.07,
    "whiteContrast": 1.39,
    "maxContrast": 15.07,
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "url": "https://www.colorsencyclopedia.com/wcag/school-bus-yellow/"
  }
]

Component guidance

[
  {
    "component": "Buttons",
    "guidance": "Use only with AA-passing foreground text and visible focus states."
  },
  {
    "component": "Badges",
    "guidance": "Works best with bold labels and enough padding around text."
  },
  {
    "component": "Cards",
    "guidance": "Use as a surface when paired with a tested text color and clear border."
  },
  {
    "component": "Alerts",
    "guidance": "Pair with icons or labels; do not rely on color alone."
  },
  {
    "component": "Form fields",
    "guidance": "Use for borders or focus rings only when contrast remains visible."
  }
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "cadmium-yellow",
  "name": "Cadmium Yellow",
  "hex": "#FFF600",
  "rgb": [
    255,
    246,
    0
  ],
  "hsl": [
    58,
    100,
    50
  ],
  "luminance": 0.8717,
  "contrast": {
    "black": 18.43,
    "white": 1.14
  },
  "ratings": {
    "blackText": "AAA",
    "whiteText": "fail"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  "narrative": "Cadmium Yellow has strong WCAG behavior because it reaches AAA contrast with #000000, #1A1A1A, and #36454F text. It can be used for normal text, badges, compact UI, and interface components when paired with the listed foreground colors.",
  "warnings": [
    "Very light surfaces can disappear against white layouts without a visible border.",
    "Avoid placing text over photos, gradients, or translucent overlays without retesting the final composite color."
  ],
  "safePairings": {
    "text": [
      {
        "label": "Black text",
        "hex": "#000000",
        "ratio": 18.43,
        "rating": "AAA"
      },
      {
        "label": "Dark UI text",
        "hex": "#111827",
        "ratio": 15.57,
        "rating": "AAA"
      }
    ],
    "backgrounds": [
      {
        "label": "#111827",
        "hex": "#111827",
        "ratio": 15.57,
        "rating": "AAA"
      },
      {
        "label": "Black",
        "hex": "#000000",
        "ratio": 18.43,
        "rating": "AAA"
      }
    ],
    "borders": []
  },
  "accessibilityAlternatives": [
    {
      "slug": "yellow",
      "name": "Yellow",
      "hex": "#FFFF00",
      "family": "yellow",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "blackContrast": 19.56,
      "whiteContrast": 1.07,
      "maxContrast": 19.56,
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "url": "https://www.colorsencyclopedia.com/wcag/yellow/"
    },
    {
      "slug": "lemon",
      "name": "Lemon",
      "hex": "#FFF700",
      "family": "yellow",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "blackContrast": 18.56,
      "whiteContrast": 1.13,
      "maxContrast": 18.56,
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "url": "https://www.colorsencyclopedia.com/wcag/lemon/"
    },
    {
      "slug": "canary-yellow",
      "name": "Canary Yellow",
      "hex": "#FFEF00",
      "family": "yellow",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "blackContrast": 17.6,
      "whiteContrast": 1.19,
      "maxContrast": 17.6,
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "url": "https://www.colorsencyclopedia.com/wcag/canary-yellow/"
    },
    {
      "slug": "golden-yellow",
      "name": "Golden Yellow",
      "hex": "#FFDF00",
      "family": "yellow",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "blackContrast": 15.81,
      "whiteContrast": 1.33,
      "maxContrast": 15.81,
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "url": "https://www.colorsencyclopedia.com/wcag/golden-yellow/"
    },
    {
      "slug": "school-bus-yellow",
      "name": "School Bus Yellow",
      "hex": "#FFD800",
      "family": "yellow",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "blackContrast": 15.07,
      "whiteContrast": 1.39,
      "maxContrast": 15.07,
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "url": "https://www.colorsencyclopedia.com/wcag/school-bus-yellow/"
    }
  ],
  "componentGuidance": [
    {
      "component": "Buttons",
      "guidance": "Use only with AA-passing foreground text and visible focus states."
    },
    {
      "component": "Badges",
      "guidance": "Works best with bold labels and enough padding around text."
    },
    {
      "component": "Cards",
      "guidance": "Use as a surface when paired with a tested text color and clear border."
    },
    {
      "component": "Alerts",
      "guidance": "Pair with icons or labels; do not rely on color alone."
    },
    {
      "component": "Form fields",
      "guidance": "Use for borders or focus rings only when contrast remains visible."
    }
  ],
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/wcag/cadmium-yellow.json",
    "https://www.colorsencyclopedia.com/api/colors/cadmium-yellow.json"
  ],
  "url": "https://www.colorsencyclopedia.com/wcag/cadmium-yellow/",
  "colorUrl": "https://www.colorsencyclopedia.com/colors/cadmium-yellow/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/wcag/cadmium-yellow.json"
}