Using the theme creator I just made a really simple theme based on the snes console colors.
Preview:

Here are the colors and image for anyone interested in re-creating it
Image:
Colors:
36278D - Selection Highlight Color
B04549 - Selection Selected Color
FFFFFF - White Text Color (Used by files)
BAAD43 - Yellow Text Color (Used by folders)
75A94D - Green Text Color (used by BS-X time)
A6A5DE - Blue Text Color (Used by menu)
B04549 - Red Text Color
7D7787 - Gray Text Color (Used by unfocused menu)
E08743 - Orange Text Color
000000 - Background Gradient Color (Top)
000000 - Background Gradient Color (Bottom)
11 - Background Gradient Size
56 - Background Gradient Offset
Hope you like it.