LJB

Since I have updated Affinity Photo to the latest version, I am having a colour issue. When I pick a colour with the colour picker and start using that colour with a paint brush, the resulting colour is far off the colour I picked, eg. colour picker displays red, brush paints in yellow. Blend mode for the brush and layer are set to normal. Please see screenshot. Not sure how to fix this, I am running MAC OSX High Sierra.