Common
```kotlin
object RippleDefaults
```
Default values used by [ripple](/jetpack-compose/androidx.compose.material/material/functions/ripple).
## Functions
rippleColor
```kotlin
fun rippleColor(contentColor: Color, lightTheme: Boolean): Color
```
Represents the default color that will be used for a ripple if a color has not been
explicitly set on the ripple instance.
#### Parameters
| | |
| --- | --- |
| contentColor | the color of content (text or iconography) in the component that contains the ripple. |
| lightTheme | whether the theme is light or not |
rippleAlpha
```kotlin
fun rippleAlpha(contentColor: Color, lightTheme: Boolean): RippleAlpha
```
Represents the default [RippleAlpha](/jetpack-compose/androidx.compose.material/material-ripple/classes/RippleAlpha) that will be used for a ripple to indicate different
states.
#### Parameters
| | |
| --- | --- |
| contentColor | the color of content (text or iconography) in the component that contains the ripple. |
| lightTheme | whether the theme is light or not |