Colors Encyclopedia

Named color

Sea Shell

Sea Shell is a light and pastel orange color with HEX #FFF5EE. According to Colors Encyclopedia, it has RGB 255, 245, 238, HSL 25, 100%, 97%, warm temperature, and is useful for web design, CSS color systems, and UI prototyping.

#FFF5EE orange warm lightpastel
HEX #FFF5EE
RGB rgb(255, 245, 238)
HSL hsl(25 100% 97%)
CMYK cmyk(0, 4, 7, 0)
Luminance 0.9274
Contrast Black 19.55:1White 1.07:1

CSS Utilities

--color-sea-shell: #FFF5EE;
.bg-sea-shell { background-color: #FFF5EE; }
.text-sea-shell { color: #FFF5EE; }
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
Luminance0.9274
Black text19.55:1AA Pass
White text1.07:1AA 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": "#FFF5EE",
  "rgb": [
    255,
    245,
    238
  ],
  "hsl": [
    25,
    100,
    97
  ],
  "cmyk": [
    0,
    4,
    7,
    0
  ],
  "luminance": 0.9274,
  "contrast": {
    "black": 19.55,
    "white": 1.07
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ],
  "AAA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ]
}
Harmonies
{
  "complementary": "#F0F9FF",
  "analogous": [
    "#FFF0F1",
    "#FFFEF0"
  ],
  "triadic": [
    "#F0FFF6",
    "#F6F0FF"
  ],
  "tetradic": [
    "#F1FFF0",
    "#F0F9FF",
    "#FEF0FF"
  ],
  "splitComplementary": [
    "#F0FFFE",
    "#F0F1FF"
  ],
  "monochromatic": [
    "#FFFFFF",
    "#FFF5EE",
    "#FFC194"
  ]
}
Variants
{
  "light": "#FFFFFF",
  "dark": "#FFC194",
  "saturated": "#FFF6F0",
  "desaturated": "#FDF6F1",
  "pastel": "#FFFFFF",
  "neon": "#FFFFFF"
}
Pairings
{
  "best": [
    "#000000",
    "#F0F9FF",
    "#FFF0F1",
    "#FFFEF0"
  ],
  "avoid": [
    "#FDF6F1",
    "#FFFFFF"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#FFFFFF",
    "#FDF6F1"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "floral-white",
    "old-lace",
    "lavender-blush",
    "powder-coat-white",
    "paper-white"
  ],
  "generatedPalettes": [
    "sea-shell"
  ],
  "generatedComparisons": [
    "floral-white-vs-sea-shell",
    "lavender-blush-vs-sea-shell",
    "sea-shell-vs-old-lace"
  ],
  "relatedFamilies": [
    "/colors/by-family/orange",
    "/colors/by-temperature/warm",
    "/colors/by-tone/light",
    "/colors/by-tone/pastel"
  ],
  "relatedTools": [
    "/harmonies/sea-shell",
    "/wcag/sea-shell",
    "/css/colors/sea-shell",
    "/hex/fff5ee"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/orange",
      "/colors/by-temperature/warm",
      "/colors/by-tone/light",
      "/colors/by-tone/pastel"
    ],
    "narrower": [
      "/palettes/sea-shell"
    ],
    "related": [
      "/colors/floral-white",
      "/colors/old-lace",
      "/colors/lavender-blush",
      "/colors/powder-coat-white",
      "/colors/paper-white",
      "/compare/floral-white-vs-sea-shell",
      "/compare/lavender-blush-vs-sea-shell",
      "/compare/sea-shell-vs-old-lace",
      "/harmonies/sea-shell",
      "/wcag/sea-shell",
      "/css/colors/sea-shell",
      "/hex/fff5ee"
    ]
  }
}
Full JSON dataset 
{
  "slug": "sea-shell",
  "name": "Sea Shell",
  "cssName": "seashell",
  "hex": "#FFF5EE",
  "family": "orange",
  "temperature": "warm",
  "tone": [
    "light",
    "pastel"
  ],
  "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": [
    "seashell"
  ],
  "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": [
    "orange",
    "warm",
    "light",
    "pastel",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 67,
  "rgb": [
    255,
    245,
    238
  ],
  "hsl": [
    25,
    100,
    97
  ],
  "cmyk": [
    0,
    4,
    7,
    0
  ],
  "luminance": 0.9274,
  "contrast": {
    "black": 19.55,
    "white": 1.07
  },
  "harmonies": {
    "complementary": "#F0F9FF",
    "analogous": [
      "#FFF0F1",
      "#FFFEF0"
    ],
    "triadic": [
      "#F0FFF6",
      "#F6F0FF"
    ],
    "tetradic": [
      "#F1FFF0",
      "#F0F9FF",
      "#FEF0FF"
    ],
    "splitComplementary": [
      "#F0FFFE",
      "#F0F1FF"
    ],
    "monochromatic": [
      "#FFFFFF",
      "#FFF5EE",
      "#FFC194"
    ]
  },
  "variants": {
    "light": "#FFFFFF",
    "dark": "#FFC194",
    "saturated": "#FFF6F0",
    "desaturated": "#FDF6F1",
    "pastel": "#FFFFFF",
    "neon": "#FFFFFF"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  "css": {
    "variable": "--color-sea-shell: #FFF5EE;",
    "utility": ".bg-sea-shell { background-color: #FFF5EE; }",
    "textUtility": ".text-sea-shell { color: #FFF5EE; }"
  },
  "nearestColors": [
    "floral-white",
    "old-lace",
    "lavender-blush",
    "powder-coat-white",
    "paper-white"
  ],
  "generatedPalettes": [
    "sea-shell"
  ],
  "generatedComparisons": [
    "floral-white-vs-sea-shell",
    "lavender-blush-vs-sea-shell",
    "sea-shell-vs-old-lace"
  ],
  "relatedFamilies": [
    "/colors/by-family/orange",
    "/colors/by-temperature/warm",
    "/colors/by-tone/light",
    "/colors/by-tone/pastel"
  ],
  "relatedTools": [
    "/harmonies/sea-shell",
    "/wcag/sea-shell",
    "/css/colors/sea-shell",
    "/hex/fff5ee"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/orange",
      "/colors/by-temperature/warm",
      "/colors/by-tone/light",
      "/colors/by-tone/pastel"
    ],
    "narrower": [
      "/palettes/sea-shell"
    ],
    "related": [
      "/colors/floral-white",
      "/colors/old-lace",
      "/colors/lavender-blush",
      "/colors/powder-coat-white",
      "/colors/paper-white",
      "/compare/floral-white-vs-sea-shell",
      "/compare/lavender-blush-vs-sea-shell",
      "/compare/sea-shell-vs-old-lace",
      "/harmonies/sea-shell",
      "/wcag/sea-shell",
      "/css/colors/sea-shell",
      "/hex/fff5ee"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#F0F9FF",
      "#FFF0F1",
      "#FFFEF0"
    ],
    "avoid": [
      "#FDF6F1",
      "#FFFFFF"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#FFFFFF",
      "#FDF6F1"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Sea Shell Color

Sea Shell sits in the orange family with warm temperature and light and pastel 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, Sea Shell is most useful for web design, css color systems, and ui prototyping, especially when paired with black text for stronger contrast.

Related Color Guides

Orange color familyBrowse named orange colors and compare nearby swatches.Warm colorsExplore colors with warm temperature behavior.Light colorsFind colors with light visual character.Pastel colorsFind colors with pastel visual character.Sea Shell accessibilityCheck contrast and WCAG text options for #FFF5EE.Sea Shell CSS utilitiesUse Sea Shell in CSS variables and utility classes.#FFF5EE HEX atlasOpen the permanent HEX atlas record for conversions and variants.Sea Shell paletteOpen the generated palette based on Sea Shell.Sea Shell harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Sea Shell against black and white text.

Black text19.55:1AA Pass
White text1.07:1AA 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

Floral White#FFFAF0
Old Lace#FDF5E6
Lavender Blush#FFF0F5
Powder Coat White#F8F8F2
Paper White#F7F7F2

Color Harmonies

#F0F9FF#F0F9FF
#FFF0F1#FFF0F1
#FFFEF0#FFFEF0
#F0FFF6#F0FFF6
#F6F0FF#F6F0FF
Open full Sea Shell harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

White#FFFFFF
#FFC194#FFC194
#FFF6F0#FFF6F0
#FDF6F1#FDF6F1
White#FFFFFF
White#FFFFFF

Pairings

Black#000000
#F0F9FF#F0F9FF
#FFF0F1#FFF0F1
#FFFEF0#FFFEF0
Matte Black#1A1A1A
White Smoke#F5F5F5