       //purple (85,26,139) "#551a8b"
       let purple = Color(hexString: "#551a8b" )
       XCTAssertNotNil(purple)
-      let (r,g,b,a) = purple!.rgba8Bit!
+      let (r,g,b,a) = purple!.rgba8Bit
       XCTAssert(r == 85)
       XCTAssert(g == 26)
       XCTAssert(b == 139)

      //purple (85,26,139) "#551a8b"
      let purple = Color(hexString: "#551A8B" )
      XCTAssertNotNil(purple)
      let (r,g,b,a) = purple!.rgba8Bit!
      XCTAssert(r == 85)
      XCTAssert(g == 26)
      XCTAssert(b == 139)

        let orange = Color(srgbRed: 255/255, green: 165/255, blue: 0, alpha: 1)
      #endif
      XCTAssertNotNil(orange.rgba8Bit)
      let (r,g,b,a) = orange.rgba8Bit
      XCTAssert(r == 255)
      XCTAssert(g == 165)
      XCTAssert(b == 0)
