Here's a question I've had building for a while...

What is the appropriate leather colour for an INformal evening? Is it what you dressed in for the day?

I find the image of a whole pub full of Scots rushing home at 5pm to change their brown leathers for black so they can all get to a casual dinner properly turned-out a tad silly.

If you dressed for the day/afternoon, is brown leather appropriate for a casual evening?

As to the term 'casual', I mean dinner at home (or a friends, or casual restaurant) where MOST won't even be wearing a jacket.

Perhaps the root of this problem is the very casual nature of American dress... but I'm putting the question out there.