If you would like to get mix suggestions for your own colors you can do so in the web service PaintMaker which you can find here: http://sensuallogic.com/paintmaker
Match Titanium White's code to see recipe's Brand:
1380: Golden, 432: Liquitex, 105: Van Goch, 114:Norma, 644: Galeria
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recipe example 1
recipe example 2
recipe example 3