#1:
Match Camera Height
#2:
Direction of Lighting
#3:
Rematch Shadows
Foreground Plate
Background Plate
#4:
Control Color Spill
Use neutral colors in areas with excessive spill
#5:
Avoid Lens Flare
#6:
Shoot RAW
Above 8bit color depth for keying
Color Resolution (bit depth) vs. Physical Resolution (pixels)
#7:
Reflectors and Bounces
#8:
Clarity and Sharpen
Shadows are the “Glue” between foreground and background
#9:
Keylight
chroma = color
luma = light
luma = light