My initial idea was a black clutch bag and black shoe to go with the grey sweat shirt and trousers, matched with white shirt and red/white striped tie. The earth tones was a last minute thingy and it came out well. For more info about colours, mixing and matching, read my article in Sunday PUNCH of May 18, 2014... http://www.punchng.com/spice/menswear/mix-match-colours/