Colors Encyclopedia

Named color

Sea Shell

Sea Shell color #FFF5EE: RGB 255, 245, 238 and HSL 25°, 100%, 97%. Explore its warm orange profile, contrast, CSS, palettes and harmonies.

#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

Use this color

Create with Sea Shell

Open a professional color tool with #FFF5EE 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 Sea Shell 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-sea-shell: #FFF5EE;
.bg-sea-shell { background-color: #FFF5EE; }
.text-sea-shell { color: #FFF5EE; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Sea Shell Color

Sea Shell uses HEX #FFF5EE, RGB 255, 245, 238, and HSL 25°, 100%, 97%. The dataset classifies it in the orange family with warm temperature and light and pastel visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.9274; black contrast is 19.55:1 and white contrast is 1.07:1, making black the stronger of those two standard foreground choices.

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

Downloadable color reference infographic

Sea Shell Color Reference Infographic

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

1200 × 800
Sea Shell color reference infographic showing #FFF5EE, RGB and HSL values, a coordinated palette, and black and white text contrast.
Sea Shell color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

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#FDF6F1White#FFFFFFWhite#FFFFFF

Pairings

Black#000000#F0F9FF#F0F9FF#FFF0F1#FFF0F1#FFFEF0#FFFEF0Matte 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
Luminance0.9274
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",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "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",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
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",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "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",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "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

Similar Colors

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

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.