color-scheme.md

colorScheme

try? it out

import SwiftUI

struct ContentView: View {

    // Apple docs:
    // https://developer.apple.com/documentation/swiftui/environmentvalues/colorscheme
    @Environment(\.colorScheme) var colorScheme

    var body: some View {
        Text(colorScheme == .dark ? "Dark" : "Light")
    }
}

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

Resources

• Apple docs: colorScheme of the Environment
• Apple docs: EnvironmentValues