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In the sense that white light is light of all colours mixed, then yes.
However, a bee's colour vision is not the same as ours. They can see well into the ultraviolet part of the spectrum which is invisible to us, and they are not as sensitive as us to the red end of the spectrum.
When a bee sees a flower, because of their ultraviolet sensitivity they can see patterns in the petals that we can't, usually lines leading down to the nectar source.
Bees can also see plane polarized light, which we can't without the help of polarizing filters. They use this to determine the position of the sun even when the sky is overcast with cloud. They use the sun's position for navigating.
However, a few known species of bee cannot see the color white but most species do, in fact, see white. The type of bees that cannot see the color white are a social scavenger type honeybee which can primarily be found in the southeast of North America. These specific types of bee see the color white as a somewhat translucent or crystalline shade of ultraviolet B, a "color" in the ultraviolet spectrum, with a wavelength of approximately 315--280 nanometers. In conclusion these bees see what humans portray as white as very close to invisible
