Colors Encyclopedia

Named color

Aluminum

Aluminum is a muted gray color with HEX #D9DAD9. According to Colors Encyclopedia, it has RGB 217, 218, 217, HSL 120, 1%, 85%, neutral temperature, and is useful for metallic palettes, product finishes, and premium packaging.

#D9DAD9 gray neutral muted
HEX #D9DAD9
RGB rgb(217, 218, 217)
HSL hsl(120 1% 85%)
CMYK cmyk(0, 0, 0, 15)
Luminance 0.699
Contrast Black 14.98:1White 1.4:1

CSS Utilities

--color-aluminum: #D9DAD9;
.bg-aluminum { background-color: #D9DAD9; }
.text-aluminum { color: #D9DAD9; }
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
Luminance0.699
Black text14.98:1AA Pass
White text1.4:1AA 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": "#D9DAD9",
  "rgb": [
    217,
    218,
    217
  ],
  "hsl": [
    120,
    1,
    85
  ],
  "cmyk": [
    0,
    0,
    0,
    15
  ],
  "luminance": 0.699,
  "contrast": {
    "black": 14.98,
    "white": 1.4
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ],
  "AAA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ]
}
Harmonies
{
  "complementary": "#D9D8D9",
  "analogous": [
    "#D9D9D8",
    "#D8D9D9"
  ],
  "triadic": [
    "#D8D8D9",
    "#D9D8D8"
  ],
  "tetradic": [
    "#D8D9D9",
    "#D9D8D9",
    "#D9D9D8"
  ],
  "splitComplementary": [
    "#D9D8D9",
    "#D9D8D9"
  ],
  "monochromatic": [
    "#FFFFFF",
    "#D9DAD9",
    "#AAACAA"
  ]
}
Variants
{
  "light": "#FFFFFF",
  "dark": "#AAACAA",
  "saturated": "#D0E2D0",
  "desaturated": "#D9D9D9",
  "pastel": "#FFFFFF",
  "neon": "#DBFFDB"
}
Pairings
{
  "best": [
    "#000000",
    "#D9D8D9",
    "#D9D9D8",
    "#D8D9D9"
  ],
  "avoid": [
    "#D9D9D9",
    "#FFFFFF"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#FFFFFF",
    "#D9D9D9"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "gainsboro",
    "chrome",
    "fog",
    "light-gray",
    "light-grey"
  ],
  "generatedPalettes": [
    "aluminum"
  ],
  "generatedComparisons": [
    "aluminum-vs-chrome",
    "aluminum-vs-gainsboro",
    "fog-vs-aluminum"
  ],
  "relatedFamilies": [
    "/colors/by-family/gray",
    "/colors/by-temperature/neutral",
    "/colors/by-tone/muted"
  ],
  "relatedTools": [
    "/harmonies/aluminum",
    "/wcag/aluminum",
    "/css/colors/aluminum",
    "/hex/d9dad9"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/gray",
      "/colors/by-temperature/neutral",
      "/colors/by-tone/muted"
    ],
    "narrower": [
      "/palettes/aluminum"
    ],
    "related": [
      "/colors/gainsboro",
      "/colors/chrome",
      "/colors/fog",
      "/colors/light-gray",
      "/colors/light-grey",
      "/compare/aluminum-vs-chrome",
      "/compare/aluminum-vs-gainsboro",
      "/compare/fog-vs-aluminum",
      "/harmonies/aluminum",
      "/wcag/aluminum",
      "/css/colors/aluminum",
      "/hex/d9dad9"
    ]
  }
}
Full JSON dataset 
{
  "slug": "aluminum",
  "name": "Aluminum",
  "hex": "#D9DAD9",
  "uses": [
    "metallic palettes",
    "product finishes",
    "premium packaging"
  ],
  "psychology": {
    "associations": [
      "finish",
      "durability",
      "value"
    ],
    "contexts": [
      "hardware",
      "automotive",
      "jewelry",
      "industrial design"
    ],
    "avoidIn": [
      "flat pastel systems"
    ]
  },
  "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": "gray",
  "temperature": "neutral",
  "tone": [
    "muted"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "gray",
    "neutral",
    "muted",
    "metallic-palettes",
    "product-finishes",
    "premium-packaging",
    "finish",
    "durability",
    "value"
  ],
  "popularity": 84,
  "rgb": [
    217,
    218,
    217
  ],
  "hsl": [
    120,
    1,
    85
  ],
  "cmyk": [
    0,
    0,
    0,
    15
  ],
  "luminance": 0.699,
  "contrast": {
    "black": 14.98,
    "white": 1.4
  },
  "harmonies": {
    "complementary": "#D9D8D9",
    "analogous": [
      "#D9D9D8",
      "#D8D9D9"
    ],
    "triadic": [
      "#D8D8D9",
      "#D9D8D8"
    ],
    "tetradic": [
      "#D8D9D9",
      "#D9D8D9",
      "#D9D9D8"
    ],
    "splitComplementary": [
      "#D9D8D9",
      "#D9D8D9"
    ],
    "monochromatic": [
      "#FFFFFF",
      "#D9DAD9",
      "#AAACAA"
    ]
  },
  "variants": {
    "light": "#FFFFFF",
    "dark": "#AAACAA",
    "saturated": "#D0E2D0",
    "desaturated": "#D9D9D9",
    "pastel": "#FFFFFF",
    "neon": "#DBFFDB"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  "css": {
    "variable": "--color-aluminum: #D9DAD9;",
    "utility": ".bg-aluminum { background-color: #D9DAD9; }",
    "textUtility": ".text-aluminum { color: #D9DAD9; }"
  },
  "nearestColors": [
    "gainsboro",
    "chrome",
    "fog",
    "light-gray",
    "light-grey"
  ],
  "generatedPalettes": [
    "aluminum"
  ],
  "generatedComparisons": [
    "aluminum-vs-chrome",
    "aluminum-vs-gainsboro",
    "fog-vs-aluminum"
  ],
  "relatedFamilies": [
    "/colors/by-family/gray",
    "/colors/by-temperature/neutral",
    "/colors/by-tone/muted"
  ],
  "relatedTools": [
    "/harmonies/aluminum",
    "/wcag/aluminum",
    "/css/colors/aluminum",
    "/hex/d9dad9"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/gray",
      "/colors/by-temperature/neutral",
      "/colors/by-tone/muted"
    ],
    "narrower": [
      "/palettes/aluminum"
    ],
    "related": [
      "/colors/gainsboro",
      "/colors/chrome",
      "/colors/fog",
      "/colors/light-gray",
      "/colors/light-grey",
      "/compare/aluminum-vs-chrome",
      "/compare/aluminum-vs-gainsboro",
      "/compare/fog-vs-aluminum",
      "/harmonies/aluminum",
      "/wcag/aluminum",
      "/css/colors/aluminum",
      "/hex/d9dad9"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#D9D8D9",
      "#D9D9D8",
      "#D8D9D9"
    ],
    "avoid": [
      "#D9D9D9",
      "#FFFFFF"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#FFFFFF",
      "#D9D9D9"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Aluminum Color

Aluminum sits in the gray family with neutral temperature and muted visual character. Aluminum is a commonly used color name in design references, palettes, and editorial color systems.

Its common associations include finish, durability, and value, which makes it relevant for hardware and automotive. In design work, Aluminum is most useful for metallic palettes, product finishes, and premium packaging, especially when paired with black text for stronger contrast.

Related Color Guides

Gray color familyBrowse named gray colors and compare nearby swatches.Neutral colorsExplore colors with neutral temperature behavior.Muted colorsFind colors with muted visual character.Aluminum accessibilityCheck contrast and WCAG text options for #D9DAD9.Aluminum CSS utilitiesUse Aluminum in CSS variables and utility classes.#D9DAD9 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Aluminum paletteOpen the generated palette based on Aluminum.Aluminum harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Aluminum against black and white text.

Black text14.98:1AA Pass
White text1.4:1AA 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

Gainsboro#DCDCDC
Chrome#D5D5D5
Fog#D7DDE0
Light Gray#D3D3D3
Light Grey#D3D3D3

Color Harmonies

#D9D8D9#D9D8D9
#D9D9D8#D9D9D8
#D8D9D9#D8D9D9
#D8D8D9#D8D8D9
#D9D8D8#D9D8D8
Open full Aluminum harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

White#FFFFFF
#AAACAA#AAACAA
#D0E2D0#D0E2D0
#D9D9D9#D9D9D9
White#FFFFFF
#DBFFDB#DBFFDB

Pairings

Black#000000
#D9D8D9#D9D8D9
#D9D9D8#D9D9D8
#D8D9D9#D8D9D9
Matte Black#1A1A1A
White Smoke#F5F5F5