Can you see a rainbow on a black-and-white photograph?

You have to apply a trick. Take a color photograph. Using GIMP or Photoshop you can make the entire photo black & white, but the rainbow. So, the final photo will get you the coloured rainbow on a b/w base. In fact, considering your question as straight one, I would say you can see the rainbow arc. It won’t be colourful. It will appear greyish. read more

You can also see a faint secondary rainbow here. The colors are reversed, but not because the second reflection inverts the order. Its white band (there is a very faint white glow, barely discernible) is above the colored arcs, and the center of the disk is on top of the sun, which is behind you. read more

End Points of the Rainbow – the point where a rainbow hits the ground/horizon is an important point in any rainbow photograph. This is a natural point of interest so think about where you’ll put it in the frame. read more