> Manually selecting C0 to make it stand out That's not what they did, actually. C0 is the only byte in there that's above 3F or so, and it's far from it. Henc

> Manually selecting C0 to make it stand out That's not what they did, actually. C0 is the only byte in there that's above 3F or so, and it's far from it. Hence the very different colour, and the lack of contrast between the colours of the other bytes.