Dynamic Foreground Color

ColorExt.swift

import Foundation
import SwiftUI
import UIKit

extension Color {

    func brightness() -> Double {
        // Assuming the color is RGB
        let components = UIColor(self).cgColor.components!
        return 0.299 * components[0] + 0.587 * components[1] + 0.114 * components[2]  // Standard formula for brightness
    }
    
    func appropriateForegroundColor(forBackgroundColor backgroundColor: Color) -> Color {
        return backgroundColor.brightness() < 0.5 ? .white : .black
    }

}