CSS outline-color Property Reference
The CSS outline-color property is a standard property in CSS Basic User Interface. Review its formal syntax, computed behavior, and practical declarations.
Updated 2026-08-12
outline-color overview
The CSS outline-color property is a standard property in CSS Basic User Interface. Review its formal syntax, computed behavior, and practical declarations.
The property is not inherited by default. Use an explicit global keyword when inheritance is intended.
Syntax and formal definition
| Field | Value |
|---|---|
| Formal syntax | auto | <color> |
| Initial value | auto |
| Applies to | allElements |
| Inherited | No |
| Percentages | no |
| Computed value | autoForTranslucentColorRGBAOtherwiseRGB |
| Animation type | color |
| Media | visual, interactive |
| Specification group | CSS Basic User Interface |
| Status | Standard |
Practical examples
These declarations demonstrate valid ways to set outline-color. The initial and inherit global keywords remain available even when a property-specific value is preferable.
CSS
.reset-example {
outline-color: initial;
}
.inherit-example {
outline-color: inherit;
}
@supports (outline-color: initial) {
.supported {
outline-color: initial;
}
}