Yeah, people have asked for clear legends before and SP has said no. (Not sure if can't or won't.)
Well, since Deck has translucent keys, apparently from SP, it should be possible.
A combination of a two part keycap with dye sublimation made this:
(all rights belong to ripster)
Maybe they could do a new run, if Deck allows ot off course, with a new font or different keys. Problem is, these keys work best on a board with the led
above the stem. I tried a key on a board where the stem is under the stem or switch and it gives off a very uneven lighting.