text: if color is an energy, whats the power we get from colors ??   most of the answer above is wrong. color is energy. color is photons at a given wave length/frequency  given by the equation:     energy = hv                          h is the plancks constant, and v is the frequency of the wave.  most color you see is very low intensity, but just enough cause a change in the back of your eyes.  laser, is a kind of light that is all produced in one frequency. and, can be powerful enough to cut through very thick steel plates. so is a color/light can cut through thick steel, you better believe it is energy.  so, color is energy, but not power. power is color + intensity.  is like saying water flow is energy, but how much power depents on how much water is flowing.  good question, keep it up, you will find it very interesting.