Don't forget that you can make shades which are black on the inside and white (or even, heaven forbid, floral) on the outside. Just take two different kinds of cloth and ask someone to sew them together for you...

One would think that anyone capable of calibrating an HT system could work a sewing machine, but apparently that is not the case

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8