Nearest-color comparison

Aqua vs Cyan

Aqua and Cyan are different cyan colors with HEX values #00FFFF and #00FFFF. According to Colors Encyclopedia, their RGB distance is 0, their contrast ratio is 1:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Aqua and Cyan are very close colors. They have nearly identical luminance. They share similar temperature behavior. Their mutual contrast is 1:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Aqua#00FFFF

Cyan#00FFFF

Quick Difference Summary

The main measurable differences between Aqua and Cyan across RGB distance, luminance, hue, saturation, and contrast.

RGB distance0

Pair contrast1:1

Luminance delta0

Hue delta0 deg

Lighter colorAqua

More saturatedAqua

Side-by-Side Color Profiles

cyan color

Aqua

Aqua is #00FFFF, a cool cyan color with vibrant character. Compared with Cyan, it is similar in luminance and similar in saturation. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.

HEX#00FFFF RGB0, 255, 255 HSL180, 100, 50 CMYK100, 0, 0, 0 Luminance0.7874 Best textblack text

Color page WCAG HEX atlas

cyan color

Cyan

Cyan is #00FFFF, a cool cyan color with vibrant character. Compared with Aqua, it is similar in luminance and similar in saturation. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.

HEX#00FFFF RGB0, 255, 255 HSL180, 100, 50 CMYK100, 0, 0, 0 Luminance0.7874 Best textblack text

Color page WCAG HEX atlas

When to Use Aqua or Cyan

Choose AquaAqua is better when the design needs vibrant cyan character, cool temperature, and the specific HEX value #00FFFF.

Choose CyanCyan is better when the design needs vibrant cyan character, cool temperature, and the specific HEX value #00FFFF.

Use togetherUse these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs.

Technical Comparison Table

PropertyAquaCyan

HEX#00FFFF#00FFFF

RGB0, 255, 2550, 255, 255

HSL180, 100, 50180, 100, 50

CMYK100, 0, 0, 0100, 0, 0, 0

FamilyCyanCyan

TemperatureCoolCool

ToneVibrantVibrant

Luminance0.78740.7874

Black contrast16.75:116.75:1

White contrast1.25:11.25:1

Shared tonesVibrant

Accessibility and Contrast

Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.

Aquablack text - 16.75:1

Cyanblack text - 16.75:1

Related Palette Strip

A compact visual strip showing the two compared colors with nearby harmony and variant context.

Cyan#00FFFF

#5CFFFF#5CFFFF

Red#FF0000

colorsBoth named color records with HEX, RGB, HSL, CMYK, luminance, WCAG, and links

differencesRGB distance, HSL deltas, luminance delta, contrast, and shared attributes

accessibilityPair contrast and safer text choices for each color

useCasesWhen to choose each color and when to use them together

relatedApiMachine-readable comparison and color endpoints

Structured sections

Colors

[
  {
    "slug": "aqua",
    "name": "Aqua",
    "hex": "#00FFFF",
    "rgb": [
      0,
      255,
      255
    ],
    "hsl": [
      180,
      100,
      50
    ],
    "cmyk": [
      100,
      0,
      0,
      0
    ],
    "family": "cyan",
    "temperature": "cool",
    "tone": [
      "vibrant"
    ],
    "luminance": 0.7874,
    "contrast": {
      "black": 16.75,
      "white": 1.25
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "AAA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 16.75
    },
    "description": "Aqua is #00FFFF, a cool cyan color with vibrant character. Compared with Cyan, it is similar in luminance and similar in saturation. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/aqua/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/aqua.json"
  },
  {
    "slug": "cyan",
    "name": "Cyan",
    "hex": "#00FFFF",
    "rgb": [
      0,
      255,
      255
    ],
    "hsl": [
      180,
      100,
      50
    ],
    "cmyk": [
      100,
      0,
      0,
      0
    ],
    "family": "cyan",
    "temperature": "cool",
    "tone": [
      "vibrant"
    ],
    "luminance": 0.7874,
    "contrast": {
      "black": 16.75,
      "white": 1.25
    },
    "wcag": {
      "AA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "AAA": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 16.75
    },
    "description": "Cyan is #00FFFF, a cool cyan color with vibrant character. Compared with Aqua, it is similar in luminance and similar in saturation. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/cyan/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/cyan.json"
  }
]

Differences

{
  "rgbDistance": 0,
  "contrastRatio": 1,
  "hslDelta": {
    "hue": 0,
    "saturation": 0,
    "lightness": 0
  },
  "luminanceDelta": 0,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "vibrant"
  ],
  "lighterColor": "Aqua",
  "moreSaturatedColor": "Aqua"
}

Accessibility

{
  "pairContrastRatio": 1,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Aqua",
      "background": "#00FFFF",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 16.75
    },
    {
      "color": "Cyan",
      "background": "#00FFFF",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 16.75
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Aqua is better when the design needs vibrant cyan character, cool temperature, and the specific HEX value #00FFFF.",
  "chooseSecondWhen": "Cyan is better when the design needs vibrant cyan character, cool temperature, and the specific HEX value #00FFFF.",
  "useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
}

Related API

[
  "https://www.colorsencyclopedia.com/api/compare/aqua-vs-cyan.json",
  "https://www.colorsencyclopedia.com/api/colors/aqua.json",
  "https://www.colorsencyclopedia.com/api/colors/cyan.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "aqua-vs-cyan",
  "type": "nearest",
  "name": "Aqua vs Cyan",
  "verdict": "Aqua and Cyan are very close colors. They have nearly identical luminance. They share similar temperature behavior. Their mutual contrast is 1:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Aqua and Cyan are different cyan colors with HEX values #00FFFF and #00FFFF. According to Colors Encyclopedia, their RGB distance is 0, their contrast ratio is 1:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 0,
  "contrastRatio": 1,
  "colors": [
    {
      "slug": "aqua",
      "name": "Aqua",
      "hex": "#00FFFF",
      "rgb": [
        0,
        255,
        255
      ],
      "hsl": [
        180,
        100,
        50
      ],
      "cmyk": [
        100,
        0,
        0,
        0
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.7874,
      "contrast": {
        "black": 16.75,
        "white": 1.25
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 16.75
      },
      "description": "Aqua is #00FFFF, a cool cyan color with vibrant character. Compared with Cyan, it is similar in luminance and similar in saturation. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/aqua/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/aqua.json"
    },
    {
      "slug": "cyan",
      "name": "Cyan",
      "hex": "#00FFFF",
      "rgb": [
        0,
        255,
        255
      ],
      "hsl": [
        180,
        100,
        50
      ],
      "cmyk": [
        100,
        0,
        0,
        0
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.7874,
      "contrast": {
        "black": 16.75,
        "white": 1.25
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 16.75
      },
      "description": "Cyan is #00FFFF, a cool cyan color with vibrant character. Compared with Aqua, it is similar in luminance and similar in saturation. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/cyan/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/cyan.json"
    }
  ],
  "differences": {
    "rgbDistance": 0,
    "contrastRatio": 1,
    "hslDelta": {
      "hue": 0,
      "saturation": 0,
      "lightness": 0
    },
    "luminanceDelta": 0,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "vibrant"
    ],
    "lighterColor": "Aqua",
    "moreSaturatedColor": "Aqua"
  },
  "accessibility": {
    "pairContrastRatio": 1,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Aqua",
        "background": "#00FFFF",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 16.75
      },
      {
        "color": "Cyan",
        "background": "#00FFFF",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 16.75
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Aqua is better when the design needs vibrant cyan character, cool temperature, and the specific HEX value #00FFFF.",
    "chooseSecondWhen": "Cyan is better when the design needs vibrant cyan character, cool temperature, and the specific HEX value #00FFFF.",
    "useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
  },
  "relatedApi": [
    "https://www.colorsencyclopedia.com/api/compare/aqua-vs-cyan.json",
    "https://www.colorsencyclopedia.com/api/colors/aqua.json",
    "https://www.colorsencyclopedia.com/api/colors/cyan.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/aqua-vs-cyan/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/aqua-vs-cyan.json"
}