This effect/filter turns clip colors to sepia.
The effect does not have keyframes.
Chrominance U - Changes the U plane (blue projection). Allowed values are from 0 to 255, default is 75.
Chrominance V - Changes the V plane (red projection). Allowed values are from 0 to 255, default is 75.
By using the Chrominance sliders you can adjust the level of brownishness to the look you want.