WCAG accessibility

Turquoise Accessibility

Turquoise accessibility depends on contrast against black and white text for its HEX value #40E0D0. According to Colors Encyclopedia, black text gives the stronger contrast for this color, with black 12.79:1 and white 1.64:1.

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

Color page #40E0D0 cyan

Black contrast12.79:1 · AAA

White contrast1.64:1 · fail

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

AAA options#000000, #1A1A1A

Luminance0.5896

Best standard text#000000

Accessibility-Safe Pairings

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

Safe Text Colors

Black text#000000 · 12.79:1 · AAA

Dark UI text#111827 · 10.8:1 · AAA

Safe Background Colors

#111827#111827 · 10.8:1 · AAA

Black#000000 · 12.79:1 · AAA

Accessibility Issues and Warnings

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.

Medium Turquoise#48D1CCBest 11.27:1Aquamarine Blue#6BCAE2Best 11.17:1Medium Aquamarine#66CDAABest 10.88:1Dark Turquoise#00CED1Best 10.75:1Verdigris#43B3AEBest 8.3:1

Luminance0.5896

Black text12.79:1AA Pass

White text1.64:1AA 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": 12.79,
    "white": 1.64
  },
  "ratings": {
    "blackText": "AAA",
    "whiteText": "fail"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A"
    ]
  }
}

Safe pairings

{
  "text": [
    {
      "label": "Black text",
      "hex": "#000000",
      "ratio": 12.79,
      "rating": "AAA"
    },
    {
      "label": "Dark UI text",
      "hex": "#111827",
      "ratio": 10.8,
      "rating": "AAA"
    }
  ],
  "backgrounds": [
    {
      "label": "#111827",
      "hex": "#111827",
      "ratio": 10.8,
      "rating": "AAA"
    },
    {
      "label": "Black",
      "hex": "#000000",
      "ratio": 12.79,
      "rating": "AAA"
    }
  ],
  "borders": []
}

Warnings

[
  "Avoid placing text over photos, gradients, or translucent overlays without retesting the final composite color."
]

Alternatives

[
  {
    "slug": "medium-turquoise",
    "name": "Medium Turquoise",
    "hex": "#48D1CC",
    "family": "cyan",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "blackContrast": 11.27,
    "whiteContrast": 1.86,
    "maxContrast": 11.27,
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "url": "https://www.colorsencyclopedia.com/wcag/medium-turquoise/"
  },
  {
    "slug": "aquamarine-blue",
    "name": "Aquamarine Blue",
    "hex": "#6BCAE2",
    "family": "cyan",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "blackContrast": 11.17,
    "whiteContrast": 1.88,
    "maxContrast": 11.17,
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "url": "https://www.colorsencyclopedia.com/wcag/aquamarine-blue/"
  },
  {
    "slug": "medium-aquamarine",
    "name": "Medium Aquamarine",
    "hex": "#66CDAA",
    "family": "green",
    "temperature": "cool",
    "tone": [
      "earth-tone"
    ],
    "blackContrast": 10.88,
    "whiteContrast": 1.93,
    "maxContrast": 10.88,
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "url": "https://www.colorsencyclopedia.com/wcag/medium-aquamarine/"
  },
  {
    "slug": "dark-turquoise",
    "name": "Dark Turquoise",
    "hex": "#00CED1",
    "family": "cyan",
    "temperature": "cool",
    "tone": [
      "vibrant"
    ],
    "blackContrast": 10.75,
    "whiteContrast": 1.95,
    "maxContrast": 10.75,
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "url": "https://www.colorsencyclopedia.com/wcag/dark-turquoise/"
  },
  {
    "slug": "verdigris",
    "name": "Verdigris",
    "hex": "#43B3AE",
    "family": "cyan",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "blackContrast": 8.3,
    "whiteContrast": 2.53,
    "maxContrast": 8.3,
    "aaaTextOptions": [
      "#000000"
    ],
    "url": "https://www.colorsencyclopedia.com/wcag/verdigris/"
  }
]

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": "turquoise",
  "name": "Turquoise",
  "hex": "#40E0D0",
  "rgb": [
    64,
    224,
    208
  ],
  "hsl": [
    174,
    72,
    56
  ],
  "luminance": 0.5896,
  "contrast": {
    "black": 12.79,
    "white": 1.64
  },
  "ratings": {
    "blackText": "AAA",
    "whiteText": "fail"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A"
    ]
  },
  "narrative": "Turquoise has strong WCAG behavior because it reaches AAA contrast with #000000 and #1A1A1A text. It can be used for normal text, badges, compact UI, and interface components when paired with the listed foreground colors.",
  "warnings": [
    "Avoid placing text over photos, gradients, or translucent overlays without retesting the final composite color."
  ],
  "safePairings": {
    "text": [
      {
        "label": "Black text",
        "hex": "#000000",
        "ratio": 12.79,
        "rating": "AAA"
      },
      {
        "label": "Dark UI text",
        "hex": "#111827",
        "ratio": 10.8,
        "rating": "AAA"
      }
    ],
    "backgrounds": [
      {
        "label": "#111827",
        "hex": "#111827",
        "ratio": 10.8,
        "rating": "AAA"
      },
      {
        "label": "Black",
        "hex": "#000000",
        "ratio": 12.79,
        "rating": "AAA"
      }
    ],
    "borders": []
  },
  "accessibilityAlternatives": [
    {
      "slug": "medium-turquoise",
      "name": "Medium Turquoise",
      "hex": "#48D1CC",
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "blackContrast": 11.27,
      "whiteContrast": 1.86,
      "maxContrast": 11.27,
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "url": "https://www.colorsencyclopedia.com/wcag/medium-turquoise/"
    },
    {
      "slug": "aquamarine-blue",
      "name": "Aquamarine Blue",
      "hex": "#6BCAE2",
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "blackContrast": 11.17,
      "whiteContrast": 1.88,
      "maxContrast": 11.17,
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "url": "https://www.colorsencyclopedia.com/wcag/aquamarine-blue/"
    },
    {
      "slug": "medium-aquamarine",
      "name": "Medium Aquamarine",
      "hex": "#66CDAA",
      "family": "green",
      "temperature": "cool",
      "tone": [
        "earth-tone"
      ],
      "blackContrast": 10.88,
      "whiteContrast": 1.93,
      "maxContrast": 10.88,
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "url": "https://www.colorsencyclopedia.com/wcag/medium-aquamarine/"
    },
    {
      "slug": "dark-turquoise",
      "name": "Dark Turquoise",
      "hex": "#00CED1",
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "vibrant"
      ],
      "blackContrast": 10.75,
      "whiteContrast": 1.95,
      "maxContrast": 10.75,
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "url": "https://www.colorsencyclopedia.com/wcag/dark-turquoise/"
    },
    {
      "slug": "verdigris",
      "name": "Verdigris",
      "hex": "#43B3AE",
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "blackContrast": 8.3,
      "whiteContrast": 2.53,
      "maxContrast": 8.3,
      "aaaTextOptions": [
        "#000000"
      ],
      "url": "https://www.colorsencyclopedia.com/wcag/verdigris/"
    }
  ],
  "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/turquoise.json",
    "https://www.colorsencyclopedia.com/api/colors/turquoise.json"
  ],
  "url": "https://www.colorsencyclopedia.com/wcag/turquoise/",
  "colorUrl": "https://www.colorsencyclopedia.com/colors/turquoise/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/wcag/turquoise.json"
}