Frankly, the inversion effect isn't that interesting - it's literally just `result = rgb(1.0-r, 1.0-g, 1.0-b)`. We _will_ be adding more screenshots though, sin

Frankly, the inversion effect isn't that interesting - it's literally just `result = rgb(1.0-r, 1.0-g, 1.0-b)`. We _will_ be adding more screenshots though, since that's such an obvious thing that I can't believe we missed.