One blob of red in the wrong place and the audience isn't looking at the hero, they're looking at a patch of curtain (or something similar) and your whole effect is lost. ↗
Eudora Welty's 'A Curtain of Green' had an enormous effect on me. But my early attempts to graft stories from the Deep South onto North of England provincialism were not successful. All were rejected. ↗
If you travel to the States... they have a lot of different words than like what we use. For instance: they say 'elevator', we say 'lift'; they say 'drapes', we say 'curtains'; they say 'president', we say 'seriously deranged git.' ↗