I was colouring a sketch on photoshop, and I discovered that my greys weren't really grey. They had a green tinge to them. I can't get an actual monochrome grey. It's very frusterating.
I'm pretty sure it has something to do with this message each time I open this my sketch (because I can get a real grey in a new document (just not this one)
I am not sure what that means or what it wants me to do.
Insight into this would be fantastic. Thanks very much.