After Effect | Deep Glow Plugin

You applied a glow and the image looks grey and washed out. Fix: Inside Deep Glow, look for the "Source Gain" or simply lower the Threshold . Ensure "Gamma Correction" is ON. If the background is glowing when it shouldn't be, increase the Threshold to 0.5.

While Deep Glow is highly optimized and utilizes GPU acceleration, stacking it across dozens of layers can still impact your timeline performance. Use these optimization strategies: deep glow plugin after effect