The amount and kind of sun a hosta gets has a great deal to do with the color of the leafs, leafs burning on the edges, waxes that make the hostas look blue melting off, elongation of the leaves and growth rate. Some hostas require more sun than others to grow well or bring out certain colors. Some can be grown in sunnier locations than others. Searching this category will provide you with hostas known more for sun tolerance.
Sun Resistant:
H. Alex Summers