Generating random color in SwiftUI

RandomColor.swift

// Based on this gist: https://gist.github.com/EnesKaraosman/efb9c2d989e51d20253976c8fb1aa734
// This particular gist is made to prefer iOS system colors over any random color

#if canImport(UIKit)
import UIKit

extension UIColor {
    public static func random() -> UIColor {
        let colors: [UIColor]
        if #available(iOS 15.0, *) {
            colors = [.systemBlue, .systemBrown, .systemCyan, .systemGray, .systemGreen, .systemIndigo, .systemMint, .systemOrange, .systemPink, .systemPurple, .systemTeal, .systemYellow, .systemRed]
        } else {
            colors = [.systemBlue, .systemBrown, .systemGray, .systemGreen, .systemIndigo, .systemOrange, .systemPink, .systemPurple, .systemTeal, .systemYellow, .systemRed]
        }
        return colors.randomElement() ?? UIColor(red: Double.random(in: 0...1), green: Double.random(in: 0...1), blue: Double.random(in: 0...1), alpha: 1)
    }
}

#elseif canImport(SwiftUI)
import SwiftUI

extension Color {
    public static func random() -> Color {
        let colors: [Color]
        if #available(iOS 15.0, *) {
            colors = [Color(.systemBlue), Color(.systemBrown), Color(.systemCyan), Color(.systemGray), Color(.systemGreen), Color(.systemIndigo), Color(.systemMint), Color(.systemOrange), Color(.systemPink), Color(.systemPurple), Color(.systemTeal), Color(.systemYellow), Color(.systemRed)]
        } else {
            colors = [Color(.systemBlue), Color(.systemBrown), Color(.systemGray), Color(.systemGreen), Color(.systemIndigo), Color(.systemOrange), Color(.systemPink), Color(.systemPurple), Color(.systemTeal), Color(.systemYellow), Color(.systemRed)]
        }
        return colors.randomElement() ?? Color(red: Double.random(in: 0...1), green: Double.random(in: 0...1), blue: Double.random(in: 0...1))
    }
}

#else
// all other platforms – use a custom color object
#endif