Key Points
PREMIUM Recognising the allure of a range of bright colours, candy manufacturers make sure each gummy handful contains a mix of shades..
Water is colourless, so when light strikes it directly, all its colours are reflected back, causing the rainbow..
In the same way that a printing machine can arrive at any shade with a base of just RGB (red, blue, green) or CMYK (cyan, magenta, yellow and black), the base colours of the spectrum mix and mingle to create the range of shades we see in the world..
In an additional drawback for food manufacturers, natural colours tend to have less of a shine too..
Natural colours can be five to 50 times more expensive than their synthetic counterparts..
