The 20-year restoration of Michelangelo's frescoes on the ceiling of the Sistine Chapel has left visitors in awe of the work's original majesty--notably the brilliance of the blue that graces the ...

But let the colour of the blue salvia, or that of the pigment called French blue or ultramarine (often given as the best example of true blue) ... Nature - Is Blue a Primary Colour?

This lets them use ultramarine blue, resulting in truer tones for medium and dark skin and more undertones for all shades. This research provides a blueprint for cosmetic chemists to use ultramarine ...

Researchers Find Why Ultramarine Blue Fades Date: October 10, 2006 Source: New York University Summary: The restoration of Michelangelo's frescoes on the ceiling of the Sistine Chapel has left ...