Turning Expertise into Algorithms

I am currently working in Guangzhou. The textile industry them is in the top 3 in China. In this industry it’s difficult to measure color. There can be 30% uncertainty in measurements. Expertise is built by experience and there is no single fixed formula. Our problem is how can we standardize a formula? We have a gap between the workers, 40-50 age group vs younger 20-30 age group. The knowledge transfer or expertise building rate is not very high.