CSS

css background color

body {
  background-color: green;
}

CSS Background Color

/* Keyword values */
background-color: gainsboro;
background-color: lightcoral;

/* Hexadecimal value */
background-color: #0000ff;    /* blue opaque */
background-color: #00f;       /* blue opaque shorthand */
background-color: #0000ff00;  /* blue transparent */
background-color: #00f0;      /* blue transparent shorthand  */
background-color: #0000ffff;  /* blue opaque */
background-color: #00ff;      /* Fully opaque shorthand  */

/* RGB value */
background-color: rgb(0, 0, 255);        /* blue opaque */
background-color: rgba(0, 0, 255, 0.5);  /* 50% transparent */

/* HSL value */
background-color: hsl(67, 100%, 50%);         /* yellow opaque */
background-color: hsla(67, 100%, 50%, 0.75);  /* 75% transparent */

/* Special keyword values */
background-color: currentcolor;
background-color: transparent;

/* Global values */
background-color: inherit;
background-color: initial;
background-color: unset;

background color using css

/* To apply color to background you have to use 'background-color' property and value of property is color name. */
html,body {
  background-color: blue;
}

css background color

html {background-color: #ededed;} /*Changes the background colour to a light grey*/

css background color

body {background-color: coral;}

css background color

.class,#id,div {
  background-color: green;
}

html or CSS background-color

Add background-color in html