So I tried RIT dying some keycaps lastnight...
Here's what I had envisioned:
I used 2 packs of "purple" dye powder in 3L. Initially had only 1 pack in there, but wasn't seeing much colour change so added the 2nd pack later on.. sat it between 85-95c in a pasta pot (with strainer).
But here's what I actually got...
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I don't know why, but these mods just didn't want to take the dye! I only have this colour saturation after about 45 minutes in the dye!
Funnily enough though, I actually quite like the results. It's got a nice uniform tint, with a bit more red on the corners where I the caps were touching metal. It's added something really different. But there's always that bittersweet-ness when something doesn't turn out as you'd expected
More experimentation is needed!