1.7K views · 90 reactions | We always get asked how to make a true BLUE buttercream and the answer is always Royal Blue Colourmill!  Use it to make the most gorgeous blue buttercream to fill your Frost Form! Did you know you can also order Colourmill food color and drips from www.frostform.com? 珞 | Frost Form | Facebook

139K views · 6.6K reactions | The wings of blue morpho butterflies are iridescent blue — but contain absolutely no blue pigment! The color is achieved by tiny scales on the wings that have ridges, ribs and other structures that play with the physics of light at the nanoscale to reflect only bright blues. | Center for Biological Diversity | Facebook