You’ve got two towels made from the same material, except one is red and the other is blue. What, at the smallest possible level, is happening on the towels that makes us see them as different colors?

Question

You’ve got two towels made from the same material, except one is red and the other is blue. What, at the smallest possible level, is happening on the towels that makes us see them as different colors?

In: 66

Answer 1

Are you asking what dyes are? Think of food coloring but for fabrics. It’s just a pigment added to the fabric that stains the fabric. Cotton for example is white naturally, anything that is cotton but not white (even white might be bleached) is stained with a dye and that is why it’s a certain color you see.