In the example image you provided even, there's a few areas that could do with colors. In all you should be able to use the three semi-transparent blocks (25%,

In the example image you provided even, there's a few areas that could do with colors. In all you should be able to use the three semi-transparent blocks (25%, 50%, 75%) in combination the 16 foreground and 16 background colors. There's a lot more shades than you'd think — http://i.imgur.com/OCrg5FZ.png http://i.imgur.com/OCrg5FZ.png I never got around to dithering or mapping half blocks when I attempted something similar a few month back, but with enough colors in the cable things started to look (almost) smooth — http://i.imgur.com/18T6QoY.png http://i.imgur.com/18T6QoY.png