Question

what are the colors of athe hottest brightest stars

Answer 1

BLUE
from electomagnetism, remember that the energy increases from red to violet...
hottest and brightest starts will emit more of Blue light and look Bluish..
e.g., Sirius, If you are in North America, you will be able to see this star tonight.
another is Regulus also visible tonight

Beatelguese is a red giant .. cooler and looks reddish (also visible tonight) :)

Answer 2

red light is longer waves with less energy

blue light is shorter waves with higher energy

hotter stars will emit more high energy light

Answer 3

Should be blue.