When you don't come up with a new formula, it means that you have fully understood it.
Less solid colors:
Red:
Shine: intelligence;
Simple: strength;
Exquisite: agile;
Accuracy: accuracy;
Dodge: parry.
Yellow:
Secret method: toughness;
Fracture: proficient;
Confidentiality: dodge;
Swift: Swift;
Round: crit.
Blue:
Dense: endurance;
Spark: spirit;
Storm: PVP intensity;
Hard: fight.
Orange is a combination of red and yellow, green is a combination of yellow and blue, and purple is a combination of red and blue, so I won't list them here. You can go to the official website to see:
/wow/zh/ occupation/jewelry processing
Just enter the name of the gem in the color you want to see in the filter.