column-rule-color

The column-rule-color CSS property lets you set the color of the rule or line drawn between columns in multi-column layouts.

/* <color> values */
column-rule-color: red;
column-rule-color: rgb(192, 56, 78);
column-rule-color: transparent;
column-rule-color: hsla(0, 100%, 50%, 0.6);

/* Global values */
column-rule-color: inherit;
column-rule-color: initial;
column-rule-color: unset;

Syntax

A single <color> value.

Values

<color>

A <color> value representing the color of the rule separating columns.

Formal syntax

<color>
where 
<color> = <rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>
where 
<rgb()> = rgb( [ [ <percentage>{3} | <number>{3} ] [ / <alpha-value> ]? ] | [ [ <percentage>#{3} | <number>#{3} ] , <alpha-value>? ] )
<rgba()> = rgba( [ [ <percentage>{3} | <number>{3} ] [ / <alpha-value> ]? ] | [ [ <percentage>#{3} | <number>#{3} ] , <alpha-value>? ] )
<hsl()> = hsl( [ <hue> <percentage> <percentage> [ / <alpha-value> ]? ] | [ <hue>, <percentage>, <percentage>, <alpha-value>? ] )
<hsla()> = hsla( [ <hue> <percentage> <percentage> [ / <alpha-value> ]? ] | [ <hue>, <percentage>, <percentage>, <alpha-value>? ] )
where 
<alpha-value> = <number> | <percentage>
<hue> = <number> | <angle>

Example

#header {
  column-rule-color: blue;
}

Specifications

Browser compatibility

See also

• The <color> data type
• Other color-related properties: color, background-color, border-color, outline-color, text-decoration-color, text-emphasis-color, text-shadow, and caret-color
• Applying color to HTML elements using CSS