Are Bees Color Blind or Just See Differently

Homes and Gardens on MSN: Yes, bees can see in color – and these are the flowers they’re most attracted to Thanks to their unique visual spectrum, bees prefer certain colors – so these are the flowers you'll want to plant in your garden this spring ... Yes, bees can see in color – and these are the flowers they’re most attracted to Outdoor Guide on MSN: This bright flower has invisible colors bees can see (but we can't) If you've watched bees circling brightly colored flowers before landing to gather pollen, it may be they're getting guidance from patterns we can't see.

i was curious if anyone has heard whether using red cedar for bee boxes is a good idea? would the wood smell permeate the honey? do bees shy away from cedar as other insects? are there other concerns that i'm missing? just curious.