First artist: (shane)
3 part blue
2 part yellow
Total of 5 part
2 are yellow from 5 parts
That is
2/5 = 0.4 * 100 = 40%
Second artist: (nora)
5 part blue
3 part yellow
Total 8 part
3 are yellow from 8 parts
That is
3/8 = 0.375 * 100 = 37.5%
So,
Shane's mixture will be more yellowish