'Centari' was an acrylic enamel requiring a catalyst, made by DuPont 20 years ago.
In addition to the tints, you need the necessary 'binders' and 'driers' to create the finished paint. This assumes a questionable shelf life of unopened cans AND how have they been stored. If exposed to harsh temperature changes, you've now got something similar to roofing tar.
Assuming you can find the correct reducers, your 'concoction' might be sprayable and dry, but fail in durability.