nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq7jpl9k4nrerqdvz3dda7n6s6ejnm5yjrj60ry9m2tua7kespjk6qrn5y0h (nprofile…5y0h) may want to check brightness and contrast and gamma settings too within the OSD. Those out of wack will mess with your shades of grey/white/black etc.
Hope something workable is found!