In all cases where the colors are produced by grooved surfaces they are transferable to wax and other plastic subs.tances. Rainbow colors are frequently produced in coating the silver tablets for ...

When I learned about colors in grade school everything started with red, yellow, and blue and getting fancier colors was easy. I mixed some blue into my yellow to get green, or into red to get ...

When this happens, light becomes separated into a rainbow of colors—red, orange, yellow, green, blue, indigo (blue-violet), and violet. In this activity, you can make your own rainbow.

Unsurprising to some people, but most of what we learn in primary school about color is wrong. We are taught the rainbow is composed of red, orange, yellow, green, blue and violet, and sometimes that ...