In the BelleTress line, the closest color to Raquel Welch's RL14/22: Pale Golden Wheat is going to be Honey with Chai Latte, but this is a rooted color.
Heather's color spotlight for Honey with Chai Latte: https://www.youtube.com/watch?v=LhxQG1Vx5kk
This color, though it is rooted, is going to be the most similar to Pale Golden Wheat. If you want an unrooted color in the BelleTress line, the closest one is going to be Vanilla Lush, but this is going to be more of a butter blonde shade.
Heather's color spotlight for Vanilla Lush: https://www.youtube.com/watch?v=sMeyFy7PVp4.
I hope this information has been helpful for you!