I re-downloaded and installed DOS2 3.6.36.3440 and red / black tint has gone away. Yay!
MacBook Pro (Retina, 13-inch, Mid 2014)
Mojave 10.14.4 b3
2.8 GHz Intel Core i5
8 GB 1600 MHz DDR3
Intel Iris 1536 MB
Last edited by tamagotchi; 21/02/19 02:22 AM.