Tip I didn't see mentioned in the article (but a prop maker would be aware of): If you're having trouble with color-matching with now more rare n-segment LED p

Tip I didn't see mentioned in the article (but a prop maker would be aware of): If you're having trouble with color-matching with now more rare n-segment LED parts, you might be able to use lighting gels (from theatre, cinema, and photography). https://en.wikipedia.org/wiki/Color_gel https://en.wikipedia.org/wiki/Color_gel