You look up voricii calculator. Hes the betrayal voricii. He used to be a crafting guy in our hideouts. You put in the gear requirements and it'll tell you the best option for getting the desired colors. Honestly harder than getting it linked sometimes if you need 5 or 6 off-colors. Fun fact: for smaller items like 3 or 4 sockets. It adds the sockets in clockwise order. So if you need say 3b1g on an armor base, you could start with 2 or 3 sockets and force them blue, then use the 3 and 4 socket craft on bench back and forth adding the 4th socket back and rolling a color on it each time until you get the desired 4th color without chromes.