Colors Encyclopedia

Named color

Turquoise

Turquoise color #40E0D0: RGB 64, 224, 208 and HSL 174°, 72%, 56%. Explore its cool cyan profile, contrast, CSS, palettes and harmonies.

#40E0D0 cyan cool brightvibrant
HEX #40E0D0
RGB rgb(64, 224, 208)
HSL hsl(174 72% 56%)
CMYK cmyk(71, 0, 7, 12)
Luminance 0.5896
Contrast Black 12.79:1White 1.64:1

Use this color

Create with Turquoise

Open a professional color tool with #40E0D0 already applied. Each configuration stays canonical to the tool and can be adjusted or shared.

All color tools
Generate palette & CSS variablesCreate 50–950 tokens and export CSS, SCSS, JSON, or Tailwind.Open configured tool →Open in Gradient StudioStart with Turquoise and its complementary color.Open configured tool →Mix this colorBlend it with a complementary color and copy color-mix() CSS.Open configured tool →Check contrastOpen the strongest black or white background pairing.Open configured tool →Accessible combinationsReview AA and AAA text options, alternatives, warnings, and UI guidance.Open configured tool →Create glass surfaceUse this color as the tint for a translucent UI panel.Open configured tool →

CSS Utilities

--color-turquoise: #40E0D0;
.bg-turquoise { background-color: #40E0D0; }
.text-turquoise { color: #40E0D0; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color history, meaning and use · Editorially reviewed

About Turquoise Color

Turquoise named a mineral before it became a general color word. The English form is connected with Middle English and Anglo-French terms for “Turkish stone,” reflecting historical trade routes through Turkey rather than the mineral’s sole place of origin. Turquoise material was valued much earlier, including in ancient Egypt and Mesoamerican decorative work.

Because the name carries both mineral and color meanings, Turquoise often feels more tactile than a generic cyan. It works naturally in jewelry-inspired palettes, aquatic themes, glazed surfaces, travel identities, and bright interface accents, but its saturation means surrounding neutrals strongly affect whether it appears more blue or more green.

Natural turquoise varies by deposit and matrix; this page describes a digital color reference rather than a universal mineral standard.

WCAG Accessibility

Contrast checks for Turquoise against black and white text.

Black text12.79:1AA Pass
White text1.64:1AA Fail
AA text options#000000, #1A1A1A, #36454F
AAA text options#000000, #1A1A1A
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Turquoise Color Reference Infographic

Save a high-resolution infographic of Turquoise, including its color values, coordinated palette, and black and white text contrast.

1200 × 800
Turquoise color reference infographic showing #40E0D0, RGB and HSL values, a coordinated palette, and black and white text contrast.
Turquoise color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#E03E4E#E03E4E#3EE07F#3EE07F#3E9FE0#3E9FE0#CF3EE0#CF3EE0#E0CF3E#E0CF3E
Open full Turquoise harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#8DECE3#8DECE3#1BA799#1BA799#25F8E3#25F8E3#57C7BC#57C7BC#B3EAE5#B3EAE5#47FFED#47FFED

Pairings

Black#000000#E03E4E#E03E4E#3EE07F#3EE07F#3E9FE0#3E9FE0Matte Black#1A1A1AWhite Smoke#F5F5F5

Machine-readable data

Machine-Readable Color Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.5896
Black text12.79:1AA Pass
White text1.64:1AA 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": "#40E0D0",
  "rgb": [
    64,
    224,
    208
  ],
  "hsl": [
    174,
    72,
    56
  ],
  "cmyk": [
    71,
    0,
    7,
    12
  ],
  "luminance": 0.5896,
  "contrast": {
    "black": 12.79,
    "white": 1.64
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ],
  "AAA": [
    "#000000",
    "#1A1A1A"
  ]
}
Harmonies
{
  "complementary": "#E03E4E",
  "analogous": [
    "#3EE07F",
    "#3E9FE0"
  ],
  "triadic": [
    "#CF3EE0",
    "#E0CF3E"
  ],
  "tetradic": [
    "#7F3EE0",
    "#E03E4E",
    "#9FE03E"
  ],
  "splitComplementary": [
    "#E03E9F",
    "#E07F3E"
  ],
  "monochromatic": [
    "#8DECE3",
    "#40E0D0",
    "#1BA799"
  ]
}
Variants
{
  "light": "#8DECE3",
  "dark": "#1BA799",
  "saturated": "#25F8E3",
  "desaturated": "#57C7BC",
  "pastel": "#B3EAE5",
  "neon": "#47FFED"
}
Pairings
{
  "best": [
    "#000000",
    "#E03E4E",
    "#3EE07F",
    "#3E9FE0"
  ],
  "avoid": [
    "#57C7BC",
    "#8DECE3"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#8DECE3",
    "#57C7BC"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "medium-turquoise",
    "aquamarine-blue",
    "verdigris",
    "medium-aquamarine",
    "dark-turquoise"
  ],
  "generatedPalettes": [
    "turquoise"
  ],
  "generatedComparisons": [
    "medium-turquoise-vs-turquoise",
    "teal-vs-turquoise",
    "turquoise-vs-aquamarine-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/cyan",
    "/colors/by-temperature/cool",
    "/colors/by-tone/bright",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/turquoise",
    "/wcag/turquoise",
    "/css/colors/turquoise",
    "/hex/40e0d0",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/cyan",
      "/colors/by-temperature/cool",
      "/colors/by-tone/bright",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/turquoise"
    ],
    "related": [
      "/colors/medium-turquoise",
      "/colors/aquamarine-blue",
      "/colors/verdigris",
      "/colors/medium-aquamarine",
      "/colors/dark-turquoise",
      "/compare/medium-turquoise-vs-turquoise",
      "/compare/teal-vs-turquoise",
      "/compare/turquoise-vs-aquamarine-blue",
      "/harmonies/turquoise",
      "/wcag/turquoise",
      "/css/colors/turquoise",
      "/hex/40e0d0",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "turquoise",
  "name": "Turquoise",
  "hex": "#40E0D0",
  "family": "cyan",
  "temperature": "cool",
  "tone": [
    "bright",
    "vibrant"
  ],
  "uses": [
    "travel",
    "summer palettes",
    "playful interfaces"
  ],
  "psychology": {
    "associations": [
      "freshness",
      "water",
      "energy"
    ],
    "contexts": [
      "travel",
      "beach brands",
      "lifestyle"
    ],
    "avoidIn": [
      "formal legal or finance brands"
    ]
  },
  "aliases": [],
  "sourceType": "standard",
  "confidence": "high",
  "sourceUrl": "https://www.w3.org/TR/css-color-4/#named-colors",
  "reviewStatus": "auto",
  "editorialNotes": "Generated from CSS named color data and computed color-system properties.",
  "origin": {
    "type": "css",
    "notes": "Standard CSS named color."
  },
  "tags": [
    "cyan",
    "cool",
    "bright",
    "vibrant",
    "travel",
    "summer-palettes",
    "playful-interfaces",
    "freshness",
    "water",
    "energy"
  ],
  "popularity": 69,
  "rgb": [
    64,
    224,
    208
  ],
  "hsl": [
    174,
    72,
    56
  ],
  "cmyk": [
    71,
    0,
    7,
    12
  ],
  "luminance": 0.5896,
  "contrast": {
    "black": 12.79,
    "white": 1.64
  },
  "harmonies": {
    "complementary": "#E03E4E",
    "analogous": [
      "#3EE07F",
      "#3E9FE0"
    ],
    "triadic": [
      "#CF3EE0",
      "#E0CF3E"
    ],
    "tetradic": [
      "#7F3EE0",
      "#E03E4E",
      "#9FE03E"
    ],
    "splitComplementary": [
      "#E03E9F",
      "#E07F3E"
    ],
    "monochromatic": [
      "#8DECE3",
      "#40E0D0",
      "#1BA799"
    ]
  },
  "variants": {
    "light": "#8DECE3",
    "dark": "#1BA799",
    "saturated": "#25F8E3",
    "desaturated": "#57C7BC",
    "pastel": "#B3EAE5",
    "neon": "#47FFED"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A"
    ]
  },
  "css": {
    "variable": "--color-turquoise: #40E0D0;",
    "utility": ".bg-turquoise { background-color: #40E0D0; }",
    "textUtility": ".text-turquoise { color: #40E0D0; }"
  },
  "nearestColors": [
    "medium-turquoise",
    "aquamarine-blue",
    "verdigris",
    "medium-aquamarine",
    "dark-turquoise"
  ],
  "generatedPalettes": [
    "turquoise"
  ],
  "generatedComparisons": [
    "medium-turquoise-vs-turquoise",
    "teal-vs-turquoise",
    "turquoise-vs-aquamarine-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/cyan",
    "/colors/by-temperature/cool",
    "/colors/by-tone/bright",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/turquoise",
    "/wcag/turquoise",
    "/css/colors/turquoise",
    "/hex/40e0d0",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/cyan",
      "/colors/by-temperature/cool",
      "/colors/by-tone/bright",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/turquoise"
    ],
    "related": [
      "/colors/medium-turquoise",
      "/colors/aquamarine-blue",
      "/colors/verdigris",
      "/colors/medium-aquamarine",
      "/colors/dark-turquoise",
      "/compare/medium-turquoise-vs-turquoise",
      "/compare/teal-vs-turquoise",
      "/compare/turquoise-vs-aquamarine-blue",
      "/harmonies/turquoise",
      "/wcag/turquoise",
      "/css/colors/turquoise",
      "/hex/40e0d0",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#E03E4E",
      "#3EE07F",
      "#3E9FE0"
    ],
    "avoid": [
      "#57C7BC",
      "#8DECE3"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#8DECE3",
      "#57C7BC"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Medium Turquoise#48D1CC
Aquamarine Blue#6BCAE2
Verdigris#43B3AE
Medium Aquamarine#66CDAA
Dark Turquoise#00CED1

Related Color Guides

Cyan color familyBrowse named cyan colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Bright colorsFind colors with bright visual character.Vibrant colorsFind colors with vibrant visual character.Turquoise accessibilityCheck contrast and WCAG text options for #40E0D0.Turquoise CSS utilitiesUse Turquoise in CSS variables and utility classes.#40E0D0 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Turquoise paletteOpen the generated palette based on Turquoise.Turquoise harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.