Get the color at a specific % between 2 colors

Color @ %

class func colorAtPercentage(color1: UIColor, color2: UIColor, perc: CGFloat) -> UIColor {

        let firstComp = CGColorGetComponents(color1.CGColor)
        let secondComp = CGColorGetComponents(color2.CGColor)
        
        let red1 = firstComp[0]
        let red2 = secondComp[0]
        let newRed = numbers(red1, num2: red2, perc: perc)
        
        let green1 = firstComp[1]
        let green2 = secondComp[1]
        let newGreen = numbers(green1, num2: green2, perc: perc)
        
        let blue1 = firstComp[2]
        let blue2 = secondComp[2]
        let newBlue = numbers(blue1, num2: blue2, perc: perc)
        
        return UIColor(red: newRed, green: newGreen, blue: newBlue, alpha: 1.0)
    }
    
    class private func numbers(num: CGFloat, num2: CGFloat, perc: CGFloat) -> CGFloat {
        let floor = min(num, num2)
        let ceil = max(num, num2)
        let val = (ceil - floor) * perc
        return num > num2 ? ceil - val : floor + val
    }