Named color

Cyan

Cyan is a vibrant cyan color with HEX #00FFFF. According to Colors Encyclopedia, it has RGB 0, 255, 255, HSL 180, 100%, 50%, cool temperature, and is useful for web design, CSS color systems, and UI prototyping.

#00FFFF cyan cool vibrant

HEX #00FFFF

RGB rgb(0, 255, 255)

HSL hsl(180 100% 50%)

CMYK cmyk(100, 0, 0, 0)

Luminance 0.7874

Contrast Black 16.75:1White 1.25:1

CSS Utilities

--color-cyan: #00FFFF;
.bg-cyan { background-color: #00FFFF; }
.text-cyan { color: #00FFFF; }

Open CSS utility pageReusable variables, classes, examples, and implementation notes

Luminance0.7874

Black text16.75:1AA Pass

White text1.25:1AA 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

Structured sections

Color systems

{
  "hex": "#00FFFF",
  "rgb": [
    0,
    255,
    255
  ],
  "hsl": [
    180,
    100,
    50
  ],
  "cmyk": [
    100,
    0,
    0,
    0
  ],
  "luminance": 0.7874,
  "contrast": {
    "black": 16.75,
    "white": 1.25
  }
}

WCAG

{
  "AA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ],
  "AAA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ]
}

Harmonies

{
  "complementary": "#FF0000",
  "analogous": [
    "#00FF80",
    "#007FFF"
  ],
  "triadic": [
    "#FF00FF",
    "#FFFF00"
  ],
  "tetradic": [
    "#7F00FF",
    "#FF0000",
    "#80FF00"
  ],
  "splitComplementary": [
    "#FF0080",
    "#FF8000"
  ],
  "monochromatic": [
    "#5CFFFF",
    "#00FFFF",
    "#00A3A3"
  ]
}

Variants

{
  "light": "#5CFFFF",
  "dark": "#00A3A3",
  "saturated": "#00FFFF",
  "desaturated": "#1CE3E3",
  "pastel": "#89F5F5",
  "neon": "#29FFFF"
}

Pairings

{
  "best": [
    "#000000",
    "#FF0000",
    "#00FF80",
    "#007FFF"
  ],
  "avoid": [
    "#1CE3E3",
    "#5CFFFF"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#5CFFFF",
    "#1CE3E3"
  ]
}

Knowledge graph

{
  "nearestColors": [
    "aqua",
    "deep-sky-blue",
    "dark-turquoise",
    "robin-egg-blue",
    "turquoise"
  ],
  "generatedPalettes": [
    "cyan"
  ],
  "generatedComparisons": [
    "aqua-vs-cyan",
    "cyan-vs-deep-sky-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/cyan",
    "/colors/by-temperature/cool",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/cyan",
    "/wcag/cyan",
    "/css/colors/cyan",
    "/hex/00ffff"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/cyan",
      "/colors/by-temperature/cool",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/cyan"
    ],
    "related": [
      "/colors/aqua",
      "/colors/deep-sky-blue",
      "/colors/dark-turquoise",
      "/colors/robin-egg-blue",
      "/colors/turquoise",
      "/compare/aqua-vs-cyan",
      "/compare/cyan-vs-deep-sky-blue",
      "/harmonies/cyan",
      "/wcag/cyan",
      "/css/colors/cyan",
      "/hex/00ffff"
    ]
  }
}

Full JSON dataset

{
  "slug": "cyan",
  "name": "Cyan",
  "cssName": "cyan",
  "hex": "#00FFFF",
  "family": "cyan",
  "temperature": "cool",
  "tone": [
    "vibrant"
  ],
  "uses": [
    "web design",
    "CSS color systems",
    "UI prototyping"
  ],
  "psychology": {
    "associations": [
      "context dependent"
    ],
    "contexts": [
      "web interfaces",
      "design systems",
      "technical color references"
    ],
    "avoidIn": [
      "claims that require brand or cultural specificity"
    ]
  },
  "aliases": [
    "cyan"
  ],
  "sourceType": "standard",
  "confidence": "high",
  "sourceUrl": "https://www.w3.org/TR/css-color-4/#named-colors",
  "origin": {
    "type": "css",
    "notes": "Standard CSS named color."
  },
  "reviewStatus": "auto",
  "editorialNotes": "Generated from CSS named color data and computed color-system properties.",
  "tags": [
    "cyan",
    "cool",
    "vibrant",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 67,
  "rgb": [
    0,
    255,
    255
  ],
  "hsl": [
    180,
    100,
    50
  ],
  "cmyk": [
    100,
    0,
    0,
    0
  ],
  "luminance": 0.7874,
  "contrast": {
    "black": 16.75,
    "white": 1.25
  },
  "harmonies": {
    "complementary": "#FF0000",
    "analogous": [
      "#00FF80",
      "#007FFF"
    ],
    "triadic": [
      "#FF00FF",
      "#FFFF00"
    ],
    "tetradic": [
      "#7F00FF",
      "#FF0000",
      "#80FF00"
    ],
    "splitComplementary": [
      "#FF0080",
      "#FF8000"
    ],
    "monochromatic": [
      "#5CFFFF",
      "#00FFFF",
      "#00A3A3"
    ]
  },
  "variants": {
    "light": "#5CFFFF",
    "dark": "#00A3A3",
    "saturated": "#00FFFF",
    "desaturated": "#1CE3E3",
    "pastel": "#89F5F5",
    "neon": "#29FFFF"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  "css": {
    "variable": "--color-cyan: #00FFFF;",
    "utility": ".bg-cyan { background-color: #00FFFF; }",
    "textUtility": ".text-cyan { color: #00FFFF; }"
  },
  "nearestColors": [
    "aqua",
    "deep-sky-blue",
    "dark-turquoise",
    "robin-egg-blue",
    "turquoise"
  ],
  "generatedPalettes": [
    "cyan"
  ],
  "generatedComparisons": [
    "aqua-vs-cyan",
    "cyan-vs-deep-sky-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/cyan",
    "/colors/by-temperature/cool",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/cyan",
    "/wcag/cyan",
    "/css/colors/cyan",
    "/hex/00ffff"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/cyan",
      "/colors/by-temperature/cool",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/cyan"
    ],
    "related": [
      "/colors/aqua",
      "/colors/deep-sky-blue",
      "/colors/dark-turquoise",
      "/colors/robin-egg-blue",
      "/colors/turquoise",
      "/compare/aqua-vs-cyan",
      "/compare/cyan-vs-deep-sky-blue",
      "/harmonies/cyan",
      "/wcag/cyan",
      "/css/colors/cyan",
      "/hex/00ffff"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#FF0000",
      "#00FF80",
      "#007FFF"
    ],
    "avoid": [
      "#1CE3E3",
      "#5CFFFF"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#5CFFFF",
      "#1CE3E3"
    ]
  }
}

Color meaning and use

About Cyan Color

Cyan sits in the cyan family with cool temperature and vibrant visual character. Standard CSS named color.

Its common associations include context dependent, which makes it relevant for web interfaces and design systems. In design work, Cyan is most useful for web design, css color systems, and ui prototyping, especially when paired with black text for stronger contrast.

WCAG Accessibility

Contrast checks for Cyan against black and white text.

Black text16.75:1AA Pass

White text1.25:1AA Fail

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

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

Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Aqua#00FFFF

Deep Sky Blue#00BFFF

Dark Turquoise#00CED1

Robin Egg Blue#00CCCC

Turquoise#40E0D0

Color Harmonies

Red#FF0000

#00FF80#00FF80

#007FFF#007FFF

Magenta#FF00FF

Yellow#FFFF00

Open full Cyan harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#5CFFFF#5CFFFF

#00A3A3#00A3A3

Cyan#00FFFF

#1CE3E3#1CE3E3

#89F5F5#89F5F5

#29FFFF#29FFFF

Pairings

Black#000000

Red#FF0000

#00FF80#00FF80

#007FFF#007FFF

Matte Black#1A1A1A

White Smoke#F5F5F5

Cyan

CSS Utilities

Machine-Readable Color Data (JSON)

About Cyan Color

Related Color Guides

WCAG Accessibility

Similar Colors

Color Harmonies

Variants

Pairings