There are some nice ideas for large group shots like weddings or, family reunions etc.
If you want your colorful moment long long time stay ,visit this link, this link help you see more,
The black contrasts with the back ground and the skin tones. 16 Do's and Don't to Photograph Large Groups - Click it Up a Notch
love the candidness of these - photos: the beautifully talented photographer Erin Wallis