I would like to confirm whether you have also noticed problems with the interpretation of colors by the bOS Client application. I checked on both iOS and Windows versions. I created some graphics to illustrate this problem.
bOS Configurator: 4.9.17.
First image: source colors. Three different brightnesses, with a 192 transparency value:
Second image: source colors combined with backgrounds (white and black, without transparency):
Third image: Source colors (1st and 3rd columns) and result colors (2nd and 4th columns) copied from iPad visualization:
Customer support service by UserEcho