Here is the link to the Specific Gravity for Golden Paints: https://goldenhub.goldenpaints.com/st…
I contacted Liquitex to get their listing but they said it was “proprietary” – Sorry if you use Liquitex you are going to need to do a bunch of testing.
The color pigment database – http://www.artiscreation.com/Color_in…
Here is a paper on the details of paint in general. https://www.handprint.com/HP/WCL/pigm…