Steps to reproduce:

1. Create a filter that simply returns an opaque color
2. Apply the filter to some VisualElement and set the color to opaque 50% gray.
3. Look at the color in the editor vs Test 361

Actual results: 

The color looks than expected in some cases

Expected results: 

1. Color should be consistent between:

## Force Gamma Panel (first filter of the list)
## Force Gamma Panel (last filter of the list)
## Standard Panel
## Gamma vs Linear Project

Reproducible with versions: 6000.3 6000.4 6000.5