Colors Encyclopedia

Named color

Opal

Opal is a muted green color with HEX #A8C3BC. According to Colors Encyclopedia, it has RGB 168, 195, 188, HSL 164, 18%, 71%, cool temperature, and is useful for jewel tone palettes, luxury branding, and premium interface accents.

#A8C3BC green cool muted
HEX #A8C3BC
RGB rgb(168, 195, 188)
HSL hsl(164 18% 71%)
CMYK cmyk(14, 0, 4, 24)
Luminance 0.5099
Contrast Black 11.2:1White 1.88:1

CSS Utilities

--color-opal: #A8C3BC;
.bg-opal { background-color: #A8C3BC; }
.text-opal { color: #A8C3BC; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Machine-readable data

Machine-Readable Color Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.5099
Black text11.2:1AA Pass
White text1.88:1AA 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": "#A8C3BC",
  "rgb": [
    168,
    195,
    188
  ],
  "hsl": [
    164,
    18,
    71
  ],
  "cmyk": [
    14,
    0,
    4,
    24
  ],
  "luminance": 0.5099,
  "contrast": {
    "black": 11.2,
    "white": 1.88
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ],
  "AAA": [
    "#000000",
    "#1A1A1A"
  ]
}
Harmonies
{
  "complementary": "#C2A8AF",
  "analogous": [
    "#A8C2AE",
    "#A8BCC2"
  ],
  "triadic": [
    "#BBA8C2",
    "#C2BBA8"
  ],
  "tetradic": [
    "#AEA8C2",
    "#C2A8AF",
    "#BCC2A8"
  ],
  "splitComplementary": [
    "#C2A8BC",
    "#C2AEA8"
  ],
  "monochromatic": [
    "#DEE8E5",
    "#A8C3BC",
    "#729D91"
  ]
}
Variants
{
  "light": "#DEE8E5",
  "dark": "#729D91",
  "saturated": "#97D3C3",
  "desaturated": "#B5B5B5",
  "pastel": "#F4F5F5",
  "neon": "#94FFE2"
}
Pairings
{
  "best": [
    "#000000",
    "#C2A8AF",
    "#A8C2AE",
    "#A8BCC2"
  ],
  "avoid": [
    "#B5B5B5",
    "#DEE8E5"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#DEE8E5",
    "#B5B5B5"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "ash-gray",
    "pumice",
    "pastel-blue",
    "galvanized-steel",
    "silver"
  ],
  "generatedPalettes": [
    "opal"
  ],
  "generatedComparisons": [
    "ash-gray-vs-opal",
    "opal-vs-pumice",
    "pastel-blue-vs-opal"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/muted"
  ],
  "relatedTools": [
    "/harmonies/opal",
    "/wcag/opal",
    "/css/colors/opal",
    "/hex/a8c3bc"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/green",
      "/colors/by-temperature/cool",
      "/colors/by-tone/muted"
    ],
    "narrower": [
      "/palettes/opal"
    ],
    "related": [
      "/colors/ash-gray",
      "/colors/pumice",
      "/colors/pastel-blue",
      "/colors/galvanized-steel",
      "/colors/silver",
      "/compare/ash-gray-vs-opal",
      "/compare/opal-vs-pumice",
      "/compare/pastel-blue-vs-opal",
      "/harmonies/opal",
      "/wcag/opal",
      "/css/colors/opal",
      "/hex/a8c3bc"
    ]
  }
}
Full JSON dataset 
{
  "slug": "opal",
  "name": "Opal",
  "hex": "#A8C3BC",
  "uses": [
    "jewel-tone palettes",
    "luxury branding",
    "premium interface accents"
  ],
  "psychology": {
    "associations": [
      "depth",
      "richness",
      "prestige"
    ],
    "contexts": [
      "luxury",
      "fashion",
      "beauty",
      "editorial design"
    ],
    "avoidIn": [
      "minimal compliance dashboards"
    ]
  },
  "aliases": [],
  "sourceType": "curated",
  "confidence": "medium",
  "reviewStatus": "manual",
  "sourceUrl": "https://www.colorsencyclopedia.com/assets/colors.json",
  "origin": {
    "type": "common",
    "notes": "Curated common color reference used in design, material, cultural, and editorial color systems."
  },
  "family": "green",
  "temperature": "cool",
  "tone": [
    "muted"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "green",
    "cool",
    "muted",
    "jewel-tone-palettes",
    "luxury-branding",
    "premium-interface-accents",
    "depth",
    "richness",
    "prestige"
  ],
  "popularity": 84,
  "rgb": [
    168,
    195,
    188
  ],
  "hsl": [
    164,
    18,
    71
  ],
  "cmyk": [
    14,
    0,
    4,
    24
  ],
  "luminance": 0.5099,
  "contrast": {
    "black": 11.2,
    "white": 1.88
  },
  "harmonies": {
    "complementary": "#C2A8AF",
    "analogous": [
      "#A8C2AE",
      "#A8BCC2"
    ],
    "triadic": [
      "#BBA8C2",
      "#C2BBA8"
    ],
    "tetradic": [
      "#AEA8C2",
      "#C2A8AF",
      "#BCC2A8"
    ],
    "splitComplementary": [
      "#C2A8BC",
      "#C2AEA8"
    ],
    "monochromatic": [
      "#DEE8E5",
      "#A8C3BC",
      "#729D91"
    ]
  },
  "variants": {
    "light": "#DEE8E5",
    "dark": "#729D91",
    "saturated": "#97D3C3",
    "desaturated": "#B5B5B5",
    "pastel": "#F4F5F5",
    "neon": "#94FFE2"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A"
    ]
  },
  "css": {
    "variable": "--color-opal: #A8C3BC;",
    "utility": ".bg-opal { background-color: #A8C3BC; }",
    "textUtility": ".text-opal { color: #A8C3BC; }"
  },
  "nearestColors": [
    "ash-gray",
    "pumice",
    "pastel-blue",
    "galvanized-steel",
    "silver"
  ],
  "generatedPalettes": [
    "opal"
  ],
  "generatedComparisons": [
    "ash-gray-vs-opal",
    "opal-vs-pumice",
    "pastel-blue-vs-opal"
  ],
  "relatedFamilies": [
    "/colors/by-family/green",
    "/colors/by-temperature/cool",
    "/colors/by-tone/muted"
  ],
  "relatedTools": [
    "/harmonies/opal",
    "/wcag/opal",
    "/css/colors/opal",
    "/hex/a8c3bc"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/green",
      "/colors/by-temperature/cool",
      "/colors/by-tone/muted"
    ],
    "narrower": [
      "/palettes/opal"
    ],
    "related": [
      "/colors/ash-gray",
      "/colors/pumice",
      "/colors/pastel-blue",
      "/colors/galvanized-steel",
      "/colors/silver",
      "/compare/ash-gray-vs-opal",
      "/compare/opal-vs-pumice",
      "/compare/pastel-blue-vs-opal",
      "/harmonies/opal",
      "/wcag/opal",
      "/css/colors/opal",
      "/hex/a8c3bc"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#C2A8AF",
      "#A8C2AE",
      "#A8BCC2"
    ],
    "avoid": [
      "#B5B5B5",
      "#DEE8E5"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#DEE8E5",
      "#B5B5B5"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Opal Color

Opal sits in the green family with cool temperature and muted visual character. Opal is a commonly used color name in design references, palettes, and editorial color systems.

Its common associations include depth, richness, and prestige, which makes it relevant for luxury and fashion. In design work, Opal is most useful for jewel-tone palettes, luxury branding, and premium interface accents, especially when paired with black text for stronger contrast.

Related Color Guides

Green color familyBrowse named green colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Muted colorsFind colors with muted visual character.Opal accessibilityCheck contrast and WCAG text options for #A8C3BC.Opal CSS utilitiesUse Opal in CSS variables and utility classes.#A8C3BC HEX atlasOpen the permanent HEX atlas record for conversions and variants.Opal paletteOpen the generated palette based on Opal.Opal harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Opal against black and white text.

Black text11.2:1AA Pass
White text1.88:1AA Fail
AA text options#000000, #1A1A1A, #36454F
AAA text options#000000, #1A1A1A
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Ash Gray#B2BEB5
Pumice#BAC0B4
Pastel Blue#AEC6CF
Galvanized Steel#A9B0B4
Silver#C0C0C0

Color Harmonies

#C2A8AF#C2A8AF
#A8C2AE#A8C2AE
#A8BCC2#A8BCC2
#BBA8C2#BBA8C2
#C2BBA8#C2BBA8
Open full Opal harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#DEE8E5#DEE8E5
#729D91#729D91
#97D3C3#97D3C3
#B5B5B5#B5B5B5
#F4F5F5#F4F5F5
#94FFE2#94FFE2

Pairings

Black#000000
#C2A8AF#C2A8AF
#A8C2AE#A8C2AE
#A8BCC2#A8BCC2
Matte Black#1A1A1A
White Smoke#F5F5F5