It can be a rather frightening experience, even if you know what is happening. Your body may want to run and hide, anyway. Indigo is more difficult to distinguish from the blue and violet, however. Interesting things happen when you are exposed to monochromatic light. In green light, red turns to the grey scale.
Red clothing looks black or dark grey.
There are a lot of myths about the danger of solar eclipses. Although it IS dangerous for you to look directly at the sun at any time, glancing at an eclipse would pose less danger in that a portion of the sun's rays are blocked. The temptation to keep looking, however, makes looking at an eclipse dangerous. There are also other ways to look at a solar eclipse without looking directly at the sun. Eclipse light can't make you go insane, or any of the other myths that abound regarding the filtered light from the sun.