         XCTAssertNotNil(orange_custom.rgba8Bit)
         XCTAssertNotNil(orange_calibrated.rgba8Bit)
         XCTAssertNotNil(orange_device.rgba8Bit)
-        XCTAssert(orange_custom.rgba8Bit! == (255,165,0,255))
-        XCTAssert(orange_calibrated.rgba8Bit! == (255,165,0,255))
-        XCTAssert(orange_device.rgba8Bit! == (255,165,0,255))
+        XCTAssert(orange_custom.rgba8Bit == (255,165,0,255))
+        XCTAssert(orange_calibrated.rgba8Bit == (255,165,0,255))
+        XCTAssert(orange_device.rgba8Bit == (255,165,0,255))
     }
     #endif
 

    do {
      let black = Color.black // 0.0, 0.0, 0.0
      XCTAssertNotNil(black.rgba8Bit)
      let (r,g,b,a) = black.rgba8Bit!
      XCTAssert(r == 0)
      XCTAssert(g == 0)
      XCTAssert(b == 0)

        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)
