Practice by downloading free green screen footage and tweaking each slider while watching the Screen Matte. In 30 minutes of experimentation, you'll understand the effect better than reading 10 guides.
| Problem | Likely Cause | Solution | |---------|--------------|----------| | Background not fully transparent | Low Screen Gain | Increase Screen Gain to 120–150 | | Subject has "holes" (transparent spots) | Clip White too low | Increase Clip White | | Green/blue edges around subject | Spill | Lower Despill Bias to 20–40 | | Hard, jagged edges | No softness | Add Screen Softness 0.5–2 | | Fuzzy or glowing edges | Too much softness | Reduce Screen Softness | | Skin looks green/blue | Heavy spill | Use Advanced Spill Suppressor before Keylight | keylight 1.2 after effects
is an industry-standard, professional-grade blue and green screen keyer integrated into Adobe After Effects . Originally developed by The Foundry , it is renowned for its ability to produce "photographed" rather than "composited" results by preserving fine details like hair and shadows. Practice by downloading free green screen footage and
Unlike basic "Color Key" effects, Keylight handles semi-transparent areas (like motion blur, hair, or glass) much better, producing natural-looking results with minimal edge artifacts. Originally developed by The Foundry , it is