Inherited a set of these amber glass cups from my dude's great-grandma. I like them, they make me feel a little fancy, but I absolutely cannot gauge a steep color in these. I've got water as hardass as a Humphrey Bogart character, and it helps to glance at the color to see if I've got a decent steep, especially for herbal tisanes.
Welp.
I hear opportunity :quark:
Open a small pub, selling the cheapest beer you can get. The amber glasses is enough to fool most patrons, they won't notice how light and watery it is.