Ok I'll ditch the sash and get color hose.

To answer a few questions. The wedding will likely be day or early evening. As I mentioned the theme of the wedding is the 1920s-30s. So my wife is wearing a flapper dress, opera gloves and peacock feather headband. I'd like to try and keep with the theme and I know in the 1920s they were a bit more formal in dress which is why I asked about the sash.

And also to add I am going to be the only one there, to my knowledge anyway, wearing highland dress. I won't be going the full nine years as I can't afford the gillies or the Sgian-dubh. I'm trying to get within the period as best I can with what I have.

Thank you guys for the advise! I will be following it to make sure my first wedding in highland dress I don't look silly.