TintInheritProblem.swift

import SwiftUI

struct ContentView: View {
    var body: some View {
        VStack {
            Group {
                Text(".tint(_:)")
                Button("Default") { }
                // .tint(nil) works better than .accentColor(nil): it's app's accentColor
                Button(".tint(nil)") { }
                    .tint(nil)  // how to instead inherit from parent view, .mint?
            }
            .tint(.mint)

            Divider()

            Group {
                Text(".accentColor(_:)")
                Button("Default") { }
                // 👎 always blue
                Button(".accentColor(nil)") { }
                    .accentColor(nil)
            }
            .accentColor(.mint)

        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}