     }
     
     func testInitWithGreenHexValue() {
-        let greenColor = C4Color(hexValue: 0x00FF00FF)
+        let greenColor = C4Color(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(hexValue: 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")

    }
    
    func testInitWithClearHexValue() {
        let clearColor = C4Color(0xFFFFFF00)
        XCTAssertEqual(clearColor.red,   1.0, "Red value should be 1.0")
        XCTAssertEqual(clearColor.green, 1.0, "Green value should be 1.0")
        XCTAssertEqual(clearColor.blue,  1.0, "Blue value should be 1.0")
