I did these two;
This is my version of that colour mixing exercise I mentioned in the previous post. I was a bit reluctant to stick the masking tape grid down too firmly, in case it ripped up the paper like the last time I used it. So quite a bit of pigment found its way underneath the borders!
This is a copy of a study in my main "text book" - the Collins Gem book of 10-minute water colours - using just one colour (Hooker's Green, in this case).