I notice this thread has a few months on it, but I just blacked mine out over the weekend.
Both wedges had the keyhole punch-out. The left side needs a little "something" in the wedge area. Both sides are the same color/gloss but the lighting makes them look different. Went with satin black to try and match up the engine block and head covers rather than the gloss of the paint.
$10 and 3 hrs time got me to the finished product: