Alpha Ramp Jun 2026

Note: This gradient is often placed over an image as an overlay mask.

To understand an Alpha Ramp, one must understand the Alpha Channel: alpha ramp

When layering video tracks, an alpha ramp acts as a "feathered mask." It allows one video to dissolve into another smoothly, often used in dream sequences or transition wipes. Note: This gradient is often placed over an

In ideal conditions, the alpha ramp is positive and upward-sloping leading into a catalyst. In practice, alphas can be front-run, delayed, or reversed. alphas can be front-run

When working with alpha ramps in professional compositing software (like After Effects or Nuke), you will encounter "Premultiplied Alpha." This occurs when the RGB channels are multiplied by the Alpha channel values.