Someone posted this scheme. Haven't tried it myself but it states enemies are still in red after the change. It looks good in the pictures.
(Terminal Green)
<MatrixRed> 0.18, 0, -1 </MatrixRed>
<MatrixGreen> -1, 1, -1 </MatrixGreen>
<MatrixBlue> 0.17, 0.31, 1 </MatrixBlue>
http://imgur.com/gallery/VXxWF
Will definately try that once I get home from work