of course bees visit purple flowers or there would be no pollination.
green and brown
Red
Bees will visit flowers of any colour.
color
The flowers on the sausage tree are red. For a picture, visit the Related Link and look at the curled up petal picture on this page.
The specific arrangement, size and color of a flowers pistil attract specific insect, bird or other organism to visit that flower by perception of color, smell and physical approach etc.
Hummingbirds will visit red flowers and yellow flowers with the same frequency.
There is no hard and fast number because it depends on a lot of factors: type of flower, amount of nectar available at each flower, and so on, but bees will usually visit something in the order of two thousand flowers on each trip.
Hummingbirds will vist red flowers and yellow flowers with the same frequency.
flower color
bees because the need pollen from flowers
Bees, butterflies and some mammals visit flowers to collect nectar and pollen.
nector is in the flowers and the bees use nector for their honey so the suck it out of the flowers and take it back to their hives