The attribute that determines the color of a tool bar is it's accentColor (or tint from iOS 15 and on). All you'll have to do is
.toolbar(content: {
ToolbarItem(placement: .navigationBarLeading) {
Button { } label: {
Text("Delete")
}
}
.accentColor(Color.red)
}
This is for 'selected items' for unselected items you can specify the UITabBar appearance in the view init() method
init() {
UITabBar.appearance().backgroundColor = UIColor(Color.blue)
UITabBar.appearance().unselectedItemTintColor = UIColor(Color.green)
}
The first one specifies the color of the background of the entire tab bar while the second one just colours the unselected items (non active ones)