Colors+Create.swift

import UIKit

public extension UIColor {
    /**
     Creates a color from red, green, blue and alpha
     - Parameter red: number <0 to 255> indicating red
     - Parameter green: number <0 to 255> indicating green
     - Parameter blue: number <0 to 255> indicating blue
     - Parameter alpha: number <0 to 1> indicating alpha, default 1
     - Returns: a color formed with given values
     */
    static func create(_ red: CGFloat, _ green: CGFloat, _ blue: CGFloat, _ alpha: CGFloat = 1) -> UIColor {
        return UIColor(red: red/255, green: green/255, blue: blue/255, alpha: alpha)
    }
    
    /**
     Creates a color from hex string
     - Parameter hexString: hex value with/without #
     - Returns: a color formed with given string
     */
    static func create(hexString: String) -> UIColor {
        let hex = hexString.trimmingCharacters(in: .whitespaces)
        let scanner = Scanner(string: hex)
        
        if hexString.hasPrefix("#") {
            scanner.scanLocation = 1
        }
        
        var color: UInt32 = 0
        scanner.scanHexInt32(&color)
        
        let mask = 0x000000FF
        let r = Int(color >> 16) & mask
        let g = Int(color >> 8) & mask
        let b = Int(color) & mask
        
        let red   = CGFloat(r) / 255.0
        let green = CGFloat(g) / 255.0
        let blue  = CGFloat(b) / 255.0
        
        return UIColor.init(red: red, green: green, blue: blue, alpha: 1)
    }
    
    /**
     Creates a color from given value
     - Parameter value: CGFloat from <0 to 255> indicating same value for color
     - Returns: a color formed with given value in red, green and blue, alplha 1
     */
    static func create(repeating value: CGFloat) -> UIColor {
        return UIColor.init(red: value/255, green: value/255, blue: value/255, alpha: 1)
    }
}

Colors.swift

import UIKit
import Foundation

struct Colors {
    struct Search {
        static let lightGrey = UIColor.create(hexString: "E5E5E6")
        static let darkGrey = UIColor.create(hexString: "A2A2A3")
        static let black = UIColor.create(hexString: "140E12")
        static let middleGrey = UIColor.create(hexString: "5F4E52")
        static let darkRed = UIColor.create(hexString: "C63420")
        static let lightRed = UIColor.create(hexString: "E81306")
        static let lightPink = UIColor.create(hexString: "DAB1B4")
        static let darkPink = UIColor.create(hexString: "C66893")
        static let blue = UIColor.create(hexString: "0B1EF5")
    }
}