CheckboxDefaults

@Composable
fun colors(
    checkedBoxColor: Color = MaterialTheme.colors.secondary,
    checkedCheckmarkColor: Color = checkedBoxColor,
    uncheckedBoxColor: Color = contentColorFor(
                MaterialTheme.colors.primary
                    .copy(alpha = 0.5f)
                    .compositeOver(MaterialTheme.colors.surface)
            ),
    uncheckedCheckmarkColor: Color = uncheckedBoxColor
): CheckboxColors