I'm looking for someone who has Wilton colours and Americolour. I don't have Americolour, and I'm wondering if my problem is Wilton.
Every time I make a dusty (light) purple. Once it dries it turns baby blue.
Could someone make a fondant rose using Americolour purple, and Wilton Purple? So four roses, leave two on your counter to dry, and two in a closed container (box). And tell me what happens?
I'd do the test myself, but like I said I can't get my hands on Americolour unless I order it from the US. And I would do that if I knew it wouldn't turn to baby blue
I have found that wrapping colored fondant in saran wrap for several days causes color to bleed onto the wrap and it turns a different color! Have you tried leaving it to air dry? It should not change colors if it is air dried at all. It does if its wrapped for several days though.
However I tried making grey with Wilton black and I ended up with a dusty blue. 
i used electric purple from americolor and purple from wilton..i like the americolor better..u can see it in my gallery, the lime green cake with the diamond pattern. for the diamonds, i used the wilton..for the daisies, i used electric purple (americolor)..hope this helps...
edited to add: whenever i use electric purple (americolor), it only faded a little after a few days, drying without cover but it did not loose the hue.
I have had the same problem with the Wilton color. I did a wedding cake where the roses were to be a specific lavender and I just couldn't get it. I think I ended up having to mix pink into the purple just to acheive it! I allowed the petals to air dry and never wrapped it in saran wrap. I'll have to keep watching this to see if someone else has a remedy!
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