The entire core idea with the dice is to provide an alternative to number-based dice, and they are built to be versatile. For this reason, I opted to create symmetrical sets so they can be matched 1/1 without any math futzing.
In Genesys the dice are used in very simple way: You roll Green/Yellow/Blue dice, and compare them to Purple/Red/Black dice, and each has symbols that correspond and negate the other. Symbols come in three types: "Success/Failure", "Triumph/Despair", and "Advantage/Threat", and which symbol is more represented (positive or negative) is the primary one, so if you have more Successes than Failures, the check is successful, but if also have more Threat than Advantage, it's "Success with Threat", i.e it has some additional complications. Triumph/Despair didn't negate each other, they could stack, so you could have a situation where "You grievously wound the opponent, but your sword gets stuck" right in the mechanics of the game.
Genesys dice are meant for this specific style of use case, so they adjusted the dice faces a little, where the "bad" dice have more Threat symbols and less Failure symbols, so it's more likely that players get Success with Threat.
The trick with the symbol dice is that as a dice pool, it means each die is basically a coinflip: The less Successes you roll, the more Advantage you roll, in Genesys terms.
My plan on how to use these dice is to, yes, replicate the Genesys die system in an open source format, but ALSO allow for different kinds of expression: Make Red and Cyan dice represent Hot and Cold in a relationship game, make the Triangle symbols represent Success with Danger, make the Plus and Minus symbols represent popularity in the eyes of the people... Whatever.
Effectively, the idea I have is to allow the creation of a second vector to any dice pool game that uses them, and most importantly allowing each die result have up to two symbols, where as unless you have color dice and start doing like "Red 0s on d10s", you can't really represent results more complicated than linear.
ETA: Thanks for the recommendation on VTT.io, BTW. I'll look into it!