White color · CSS named color

Seashell Color Code: #FFF5EE

Seashell (#FFF5EE) is a near-white shade with a faint orange tint shade: RGB 255, 245, 238, HSL 25°, 100%, 97%. Black text reads best on it (19.54:1 contrast).

Seashell color values

HEX #FFF5EE
RGB rgb(255, 245, 238)
HSL hsl(25, 100%, 97%)
HSV 25, 7%, 100%
HWB hwb(25 93% 0%)
CMYK 0%, 4%, 7%, 0%
Decimal 16774638
CSS keyword seashell
97%HSL lightness (very light)
100%HSL saturation (vivid)
25°Hue angle (orange)
0.927Relative luminance

CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.

What is Seashell?

Seashell is one of the named colors defined by the CSS Color specifications (keyword “seashell”), so every modern browser understands it without a hex code.

Its saturation is only 100%, so it behaves as a neutral, with 100% saturation (vivid) and 97% lightness (very light). It is a warm color.

Compared with the other white colors in the Aqeeb Studio library, it is lighter than 40% of them and more saturated than 40% of them.

Its relative luminance is 0.927, which makes it a very light color. That is above the 0.179 crossover point at which black and white text have equal contrast, so black text has the advantage.

Seashell counts as a light color: its HSL lightness is 97% and its relative luminance is 0.927. Black text reads best on it (19.54:1 contrast).

Text contrast on Seashell

WCAG contrast of white and black text on Seashell
TextPreviewRatioAA normalAA largeAAA normalAAA large
White text Sample text 1.07:1 Poor Fail Fail Fail Fail
Black text Sample text 19.54:1 Excellent Pass Pass Pass Pass

Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.

Colors that go with Seashell

Complementary color

Complementary colors sit directly opposite each other on the color wheel (180° apart). They give the strongest hue contrast, which suits calls to action and accents.

Analogous colors

Analogous colors are neighbors on the wheel, 30° either side of the base hue. They blend smoothly and are easy to combine in backgrounds, gradients and illustrations.

Triadic colors

A triadic scheme uses three hues spaced 120° apart. It is lively yet balanced, and works best when one color leads and the other two act as accents.

Split-complementary colors

Split-complementary keeps the base color and uses the two colors on either side of its complement (150° and 210°). The contrast is strong but gentler than a direct complement.

Tetradic colors

A tetradic (rectangle) scheme combines two complementary pairs at 0°, 60°, 180° and 240°. It offers variety but needs one dominant color to stay balanced.

Monochromatic variants

Monochromatic variants keep the same hue and saturation and only change lightness, which makes them dependable for UI scales and subtle layered designs.

#CC5400#CC5400
#FF7514#FF7514
#FF9F5C#FF9F5C
#FFC9A3#FFC9A3
#FFF3EB#FFF3EB

A “≈” before a name means the exact harmony color has no named match, so the link goes to the closest named color.

Tints and shades of Seashell

Lighter tints (mixed with white)

Darker shades (mixed with black)

Select any swatch to copy its HEX code. Build longer scales with the tints and shades tool.

Where to use Seashell

  • Card, highlight and section backgrounds with dark text (19.54:1 contrast with black)
  • Page backgrounds, subtle borders and table stripes
  • Whitespace-heavy minimal layouts
  • Text on dark surfaces
  • Highlights and light borders
  • Page and card backgrounds

Seashell appears in these curated palettes: Sea Glass (Pastel Color Palettes), Paper and Ink (Neutral Color Palettes), Soft Mono and Coral (Minimal Color Palettes).

Use Seashell in CSS

:root {
  --color-seashell: #FFF5EE;
}

.element {
  color: var(--color-seashell);
  background-color: #FFF5EE;
  border: 2px solid #FFF5EE;
}

Questions about Seashell

What is the HEX code for Seashell?

Seashell is #FFF5EE.

What is the RGB value of Seashell?

The RGB value of Seashell is 255, 245, 238: 255 red, 245 green and 238 blue on a 0–255 scale, written rgb(255, 245, 238) in CSS.

What is the HSL value of Seashell?

The HSL value of Seashell is 25°, 100%, 97% (hue, saturation, lightness), written hsl(25, 100%, 97%) in CSS.

What is the CMYK value of Seashell?

A standard conversion gives about C 0%, M 4%, Y 7%, K 0%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.

Is Seashell a light or dark color?

Seashell counts as a light color: its HSL lightness is 97% and its relative luminance is 0.927. Black text reads best on it (19.54:1 contrast).

How does Seashell look with white text?

White text on Seashell has a contrast ratio of 1.07:1, rated Poor. It falls below the WCAG minimum for text.

How does Seashell look with black text?

Black text on Seashell has a contrast ratio of 19.54:1, rated Excellent. It meets WCAG AA for normal text.

What colors go well with Seashell?

Alice Blue is its complementary color, and Lavender Blush sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.

Where can Seashell be used?

It suits card, highlight and section backgrounds with dark text (19.54:1 contrast with black); page backgrounds, subtle borders and table stripes; whitespace-heavy minimal layouts.

How do I use Seashell in CSS?

Use color: #FFF5EE; for text, background-color: #FFF5EE; for fills, or define a custom property such as --color-seashell: #FFF5EE; and reuse it with var(--color-seashell).

About this color page

CSS named color (W3C CSS Color Module). Values are calculated from the HEX code; color names are labels, not trademarks or standards unless stated. Screens render colors differently, so always check important colors on your own device. See the disclaimer.