Css making background color

3 Methods to Set a Background Color with HTML & CSS

This article was co-authored by wikiHow staff writer, Darlene Antonelli, MA. Darlene Antonelli is a Technology Writer and Editor for wikiHow. Darlene has experience teaching college courses, writing technology-related articles, and working hands-on in the technology field. She earned an MA in Writing from Rowan University in 2012 and wrote her thesis on online communities and the personalities curated in such communities.

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Did you want to change the background color of that page using HTML? Unfortunately, with HTML 5, this is no longer possible in just HTML coding. Instead, you’ll need to use both HTML and CSS coding, which works even better. This wikiHow teaches you how to change the background color of a web page by editing its HTML and CSS.

• Although the attribute for HTML to manage background color is gone, you can still use HTML with CSS to change your background color easily.
• You’ll need a numeric code for the color you want if you want a specific color. If you don’t need a specific color, you can use words like «orange» or «light blue.»
• When editing a web page with HTML and CSS, you can create a solid background, gradient, or changing background.

Setting a Solid Background Color

body  background-color: #d24dff; > 

DOCTYPE html> html> head> style> body  background-color: #d24dff > style> head> html> 

DOCTYPE html> html> head> style> body  background-color: #93B874; > h1  background-color: #00b33c; > p  background-color: #FFFFFF); > style> head> body> h1>Header with Green Backgroundh1> p>Paragraph with white backgroundp> body> html> 

Creating a Gradient Background

Understand the basic syntax of this process. When making a gradient, there are two pieces of information you’ll need: the starting point/angle, and the colors that the gradient will transition between. You can select multiple colors to have the gradient move between all of them, and you can set a direction or angle for the gradient. [2] X Research source

background: linear-gradient(direction/angle, color1, color2, color3, etc); 

html  min-height: 100%; > body  background: -webkit-linear-gradient(#93B874, #C9DCB9); background: -o-linear-gradient(#93B874, #C9DCB9); background: -moz-linear-gradient(#93B874, #C9DCB9); background: linear-gradient(#93B874, #C9DCB9); background-color: #93B874; > 

html  min-height: 100%;> body  background: -webkit-linear-gradient(left, #93B874, #C9DCB9); background: -o-linear-gradient(right, #93B874, #C9DCB9); background: -moz-linear-gradient(right, #93B874, #C9DCB9); background: linear-gradient(to right, #93B874, #C9DCB9); background-color: #93B874; > 

For example, not only can you add more than two colors, you can also put a percentage after each one. This will allow you to set how much spacing you want each color segment to have. Here’s a sample gradient that uses this principle:

background: linear-gradient(#93B874 10%, #C9DCB9 70%, #000000 90%); 

background: linear-gradient(to right, rgba(147,184,116,0), rgba(147,184,116,1)); 

DOCTYPE html> html> head> style> html  min-height: 100%; > body  background: -webkit-linear-gradient(left, #93B874, #C9DCB9); background: -o-linear-gradient(right, #93B874, #C9DCB9); background: -moz-linear-gradient(right, #93B874, #C9DCB9); background: linear-gradient(to right, #93B874, #C9DCB9); background-color: #93B874; > style> head> body> body> html> 

Creating a Changing Background

-webkit-animation: colorchange 60s infinite; animation: colorchange 60s infinite; 

@-webkit-keyframes colorchange  0% background: #33FFF3;> 25% background: #78281F;> 50% background: #117A65;> 75% background: #DC7633;> 100% background: #9B59B6;> > @keyframes colorchange  0% background: #33FFF3;> 25% background: #78281F;> 50% background: #117A65;> 75% background: #DC7633;> 100% background: #9B59B6;> > 

DOCTYPE html> html> head> style> body  -webkit-animation: colorchange 60s infinite; animation: colorchange 60s infinite; > @-webkit-keyframes colorchange  0% background: #33FFF3;> 25% background: #78281F;> 50% background: #117A65;> 75% background: #DC7633;> 100% background: #9B59B6;> > @keyframes colorchange  0% background: #33FFF3;> 25% background: #78281F;> 50% background: #117A65;> 75% background: #DC7633;> 100% background: #9B59B6;> > style> head> body> body> html> 

Community Q&A

Use the background-size property inside of the «body» element. For example, «background-size: 300px 150px» makes the background 300 pixels wide and 150 pixels high.

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CSS Backgrounds

The CSS background properties are used to add background effects for elements.

In these chapters, you will learn about the following CSS background properties:

• background-color
• background-image
• background-repeat
• background-attachment
• background-position
• background (shorthand property)

CSS background-color

The background-color property specifies the background color of an element.

Example

The background color of a page is set like this:

With CSS, a color is most often specified by:

• a valid color name — like «red»
• a HEX value — like «#ff0000»
• an RGB value — like «rgb(255,0,0)»

Look at CSS Color Values for a complete list of possible color values.

Other Elements

You can set the background color for any HTML elements:

Example

Here, the ,

, and elements will have different background colors:

div background-color: lightblue;
>

Opacity / Transparency

The opacity property specifies the opacity/transparency of an element. It can take a value from 0.0 — 1.0. The lower value, the more transparent:

Example

Note: When using the opacity property to add transparency to the background of an element, all of its child elements inherit the same transparency. This can make the text inside a fully transparent element hard to read.

Transparency using RGBA

If you do not want to apply opacity to child elements, like in our example above, use RGBA color values. The following example sets the opacity for the background color and not the text:

You learned from our CSS Colors Chapter, that you can use RGB as a color value. In addition to RGB, you can use an RGB color value with an alpha channel (RGBA) — which specifies the opacity for a color.

An RGBA color value is specified with: rgba(red, green, blue, alpha). The alpha parameter is a number between 0.0 (fully transparent) and 1.0 (fully opaque).

Tip: You will learn more about RGBA Colors in our CSS Colors Chapter.

Example

The CSS Background Color Property

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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

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