This makes -f,--font behave just like the configuration file option
'font'; the first font in the list is the primary font, and the
remaining fonts are fallback fonts used when a glyph cannot be found
in the primary font.
They where previously identical to the corresponding 'regular'
colors. Now, we've done a saturated add with 0x202020 (which seems to
be roughly the difference between the other regular and bright
colors).