Set reference layer in PS

[defaultghv79okov6lc]

Hi! Both CSP and Procrate have functions to set a line art layer as a reference layer to quickly fill areas with color? Does PS have this option? Where would I find it? Thanks!

[Abambo]

I have no idea about the software you are talking about, but you may find more information here: https://helpx.adobe.com/photoshop/using/layer-basics.html