     }
     
     func testInitWithBlueHexValue() {
-        let blueColor  = C4Color(hexValue: 0x0000FFFF)
+        let blueColor  = C4Color(0x0000FFFF)
         XCTAssertEqual(blueColor.red,   0.0, "Red value should be 0.0")
         XCTAssertEqual(blueColor.green, 0.0, "Green value should be 0.0")
         XCTAssertEqual(blueColor.blue,  1.0, "Blue value should be 1.0")

    }
    
    func testInitWithGreenHexValue() {
        let greenColor = C4Color(hexValue: 0x00FF00FF)
        XCTAssertEqual(greenColor.red,   0.0, "Red value should be 0.0")
        XCTAssertEqual(greenColor.green, 1.0, "Green value should be 1.0")
        XCTAssertEqual(greenColor.blue,  0.0, "Blue value should be 0.0")


class C4ColorTests: XCTestCase {
    func testInitWithRedHexValue() {
        let redColor   = C4Color(0xFF0000FF)
        XCTAssertEqual(redColor.red,   1.0, "Red value should be 1.0")
        XCTAssertEqual(redColor.green, 0.0, "Green value should be 0.0")
        XCTAssertEqual(redColor.blue,  0.0, "Blue value should be 0.0")
