ut4

**Steps to reproduce**: 1. Right-click on colorArea 2. Hit esc 3. Move the mouse **Current Behavior**: colorMarker continues moving **Expected Behavior**: colorMarker stays put

When pasting a transparent color into the picker, such as `#000000d7`, it gets converted to `#000000d6` (another example is `#00000022 -> #00000021`). I believe this is due to the `a...