Change page background color in css

background-color

The background-color CSS property sets the background color of an element.

Try it

Syntax

/* Keyword values */ background-color: red; background-color: indigo; /* Hexadecimal value */ background-color: #bbff00; /* Fully opaque */ background-color: #bf0; /* Fully opaque shorthand */ background-color: #11ffee00; /* Fully transparent */ background-color: #1fe0; /* Fully transparent shorthand */ background-color: #11ffeeff; /* Fully opaque */ background-color: #1fef; /* Fully opaque shorthand */ /* RGB value */ background-color: rgb(255 255 128); /* Fully opaque */ background-color: rgb(117 190 218 / 0.5); /* 50% transparent */ /* HSL value */ background-color: hsl(50 33% 25%); /* Fully opaque */ background-color: hsl(50 33% 25% / 0.75); /* 75% opaque, i.e. 25% transparent */ /* Special keyword values */ background-color: currentcolor; background-color: transparent; /* Global values */ background-color: inherit; background-color: initial; background-color: revert; background-color: revert-layer; background-color: unset; 

The background-color property is specified as a single value.

Values

The uniform color of the background. It is rendered behind any background-image that is specified, although the color will still be visible through any transparency in the image.

Accessibility concerns

It is important to ensure that the contrast ratio between the background color and the color of the text placed over it is high enough that people experiencing low vision conditions will be able to read the content of the page.

Color contrast ratio is determined by comparing the luminance of the text and background color values. In order to meet current Web Content Accessibility Guidelines (WCAG), a ratio of 4.5:1 is required for text content and 3:1 for larger text such as headings. Large text is defined as 18.66px and bold or larger, or 24px or larger.

Formal definition

Formal syntax

Examples

HTML

div class="exampleone">Lorem ipsum dolor sit amet, consectetuerdiv> div class="exampletwo">Lorem ipsum dolor sit amet, consectetuerdiv> div class="examplethree">Lorem ipsum dolor sit amet, consectetuerdiv> 

CSS

.exampleone  background-color: transparent; > .exampletwo  background-color: rgb(153, 102, 153); color: rgb(255, 255, 204); > .examplethree  background-color: #777799; color: #ffffff; > 

Result

Specifications

Browser compatibility

BCD tables only load in the browser

See also

Found a content problem with this page?

This page was last modified on Feb 20, 2023 by MDN contributors.

Your blueprint for a better internet.

MDN

Support

Our communities

Developers

Visit Mozilla Corporation’s not-for-profit parent, the Mozilla Foundation.
Portions of this content are ©1998– 2023 by individual mozilla.org contributors. Content available under a Creative Commons license.

Источник

How to Set Background Color with HTML and CSS

First thing you should know is that there are different types of HTML colors, such as Hex color codes, HTML color names, RGB and RGBa values, HSL colors, etc. To choose your preferred color use our Color Tools.

In this snippet, you can find many different ways of adding a background color. Let’s start from the easiest one.

Add the style attribute to the element

You can set a background color for an HTML document by adding style=»background-color:» to the element.

Example of setting a background color with the style attribute:

html> html> head> title>Title of the document title> head> body style="background-color:#1c87c9;"> h1>Some heading h1> p>Some paragraph for example. p> body> html>

Result

Some paragraph for example.

Add the CSS background-color property to the element

The background-color property is used to change the background color. Inserting it to the element you will have a full colored cover of the page.

Example of setting a background color with the CSS background-color property:

html> html> head> title>Title of the document title> style> body < background-color: #1c87c9; > style> head> body> body> html>

You can also add a background color to specific elements in your document. For example, let’s see how to change the color of the heading and paragraphs.

Example of adding a background color to specific elements:

html> html> head> title>Title of the document title> style> body < background-color: #e6ebef; > h2 < background-color: #8ebf42; > p < background-color: #1c87c9; > style> head> body> h2>Some heading with green background. h2> p>Some paragraph with blue background. p> body> html>

Let’s see another example, where we add a background color with a color name value to the element. We specify a RGB value for the , HSL for the , and RGBa value for the element.

Example of setting background colors with different color types:

html> html> head> title>Title of the document title> style> h1 < background-color: lightblue; > h2 < background-color: rgb(142, 191, 66); > p < background-color: hsl(300, 100%, 25%); > span < background-color: rgba(255, 127, 80, 0.58); > style> head> body> h1>Example h1> h2>Some heading with green background. h2> p>Some paragraph with blue background. p> span>Some paragraph for span> body> html>

Create a background with gradients

Gradient backgrounds let you create smooth transitions between two or more specified colors.

There are two types of gradient backgrounds: linear-gradient and radial-gradient.

In linear-gradient backgrounds, you can set a starting point for the colors. If you don’t mention a starting point, it will automatically set «top to bottom» by default.

Example of setting a linear-gradient background:

html> html> head> title>Title of the document title> style> #grad < height: 500px; background-color: blue;/* For browsers that do not support gradients */ background-image: linear-gradient(to right, #1c87c9, #8ebf42); > style> head> body> h1>Right to Left Linear Gradient background h1> div id="grad"> div> body> html>

The given example shows a linear gradient that starts from the left. It starts from blue, transitioning to green. Change it according to your requirements.

In radial gradient backgrounds, the starting point is defined by its center.

Example of setting a radial-gradient background:

html> html> head> title>Title of the document title> style> #grad < height: 500px; background-color: grey;/* For browsers that do not support gradients */ background-image: radial-gradient(#e6ebef, #1c87c9, #8ebf42); > style> head> body> h1>Radial Gradient Background h1> div id="grad"> div> body> html>

Create a changing background

You can create a background which will change its colors in the mentioned time. For that, add the animation property to the element. Use the @keyframes rule to set the background colors through which you’ll flow, as well as the length of time each color will appear on the page.

Example of creating a changing background:

html> html> head> title>Title of the document title> style> body < -webkit-animation: colorchange 20s infinite; animation: colorchange 20s infinite; > @-webkit-keyframes colorchange < 0% < background: #8ebf42; > 25% < background: #e6ebef; > 50% < background: #1c87c9; > 75% < background: #095484; > 100% < background: #d0e2bc; > > @keyframes colorchange < 0% < background: #8ebf42; > 25% < background: #e6ebef; > 50% < background: #1c87c9; > 75% < background: #095484; > 100% < background: #d0e2bc; > > style> head> body> h1>Changing Background h1> body> html>

The percentages specify the animation length mentioned in «colorchange» (e.g. 20s).

Источник