Light sublimation paper is used with a light-colored background. This technique will be the best option for sublimation on aluminum in most instances because it merges nicely with lighter colors.
On the other hand, the dark sublimation paper is intended for use with darker backgrounds. It enhances the vibrancy of the colors and contrasts nicely with darker surfaces. The dark sublimation paper has limited applications, and In our recommendation, amateurs should never use it due to the difficulties of putting patterns onto a dark surface.