Colors Encyclopedia

Named color

Aluminum

Aluminum color #D9DAD9: RGB 217, 218, 217 and HSL 120°, 1%, 85%. Explore its neutral gray profile, contrast, CSS, palettes and harmonies.

#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

Use this color

Create with Aluminum

Open a professional color tool with #D9DAD9 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 Aluminum 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-aluminum: #D9DAD9;
.bg-aluminum { background-color: #D9DAD9; }
.text-aluminum { color: #D9DAD9; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Aluminum Color

Aluminum uses HEX #D9DAD9, RGB 217, 218, 217, and HSL 120°, 1%, 85%. The dataset classifies it in the gray family with neutral temperature and muted visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.699; black contrast is 14.98:1 and white contrast is 1.4:1, making black the stronger of those two standard foreground choices.

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

Downloadable color reference infographic

Aluminum Color Reference Infographic

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

1200 × 800
Aluminum color reference infographic showing #D9DAD9, RGB and HSL values, a coordinated palette, and black and white text contrast.
Aluminum color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

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#D9D9D9White#FFFFFF#DBFFDB#DBFFDB

Pairings

Black#000000#D9D8D9#D9D8D9#D9D9D8#D9D9D8#D8D9D9#D8D9D9Matte 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
Luminance0.699
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",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "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",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
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",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "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",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "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

Similar Colors

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

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.