If you are a summer, try to avoid yellow, orange or warm beige. Instead, embrace the cool crispness of your season by choosing bright, blue-based tones. Make sure your makeup is made up of cool neutrals or pinks.
How to Build a Casual Capsule Wardrobe ~ Extremely good article on how to build a capsule, with pics & instructions on tops, bottoms, dresses & accessories. Then even more pics with numerous variations of dressy-casual outfits from the pieces.
Style Sudoku: How to Build a Killer Capsule Wardrobe