If you would like to put pineapple in your jello, I have good news for you. You can actually combine the two and get a yummy dessert ... but you have to use canned pineapple to prepare it. Jello contains gelatin (a protein, which is a processed version of collagen.
It's a cobalt oxide-aluminum oxide. Very costly and extraordinary stable pigment of pure blue colour discovered by Thenard thÃ©nard in. 1802
Today most blue pigments and dyes are made by a chemical process. 1  Pure blue, also known as high blue, is not mixed with any other colours. 2  Navy blue, here worn by Admiral Horatio Nelson, is the darkest shade of pure blue. 3  Sky blue or pale azure, mid-way on the RBG colour wheel between blue and cyan.