I use a matte powder foundation (especially in the summer) by Benefit & sometimes I do use one color for summer and a lighter one for winter when my color is a bit more pale:
get even pressed powder : Benefit Cosmetics
I also use these for concealer (under eye dark circles & any uneven spots):
http://www.benefitcosmetics.com/gp/p...1&bcBrand=core
Both leave you feeling like you don't even have makeup on...I can't stand that sticky grimy feeling of makeup anyway let alone in humid weather.