As someone who shops all day for their job, I've noticed in recent weeks that almost every retailer has butter yellow pants among its new arrivals, and it's not a coincidence.

Unsure about what colors to wear together for quick, fashionable outfit ideas? InStyle put together the 20 best color blocking ideas for fresh 'fits, here.

The color combination of pastel yellow and green gives you a feeling of new energy and freshness. Pastel yellow shirt with green pants or green top with pastel yellow skirt or trousers, ...