Swift Version of the Lights Code to get it to work.

final_project_lights.swift

if let hexBackgroundColor = colorsToUse.background.toHex() {
            print("BACKGROUND: \(hexBackgroundColor)")
            let backgroundRed = self.getRed(forColor: colorsToUse.background)
            let backgroundGreen = self.getGreen(forColor: colorsToUse.background)
            let backgroundBlue = self.getBlue(forColor: colorsToUse.background)
            print("RED: \(backgroundRed)")
            if let red = backgroundRed, let blue = backgroundBlue, let green = backgroundGreen {
                let redBackgroundStr = self.stringForRGBValue(value: red)
                print("RED STR: \(redBackgroundStr)")
                let greenBackgroundStr = self.stringForRGBValue(value: green)
                let blueBackgroundStr = self.stringForRGBValue(value: blue)

                let url = URL(string: "feeds/albumColor/data")
                let parameters = ["value": "\(redBackgroundStr)-\(greenBackgroundStr)-\(blueBackgroundStr)"]

                var request = URLRequest(url: url!)
                request.httpMethod = "POST"
                request.addValue("application/json", forHTTPHeaderField: "Content-Type")
                guard let httpBody = try? JSONSerialization.data(withJSONObject: parameters, options: []) else { return }
                request.httpBody = httpBody
                let session = URLSession.shared
                session.dataTask(with: request) { (data, response, error) in
                    if let response = response {
                        print(response)
                    }
                    if let data = data {
                        do {
                            let json = try JSONSerialization.jsonObject(with: data, options: [])
                            print(json)
                        } catch {
                            print(error)
                        }
                    }
                }.resume()
            }
        }