My favourite colour is blue
An optical effect called Tyndall scattering explains blue eyes. Distant objects appear more blue because of another optical effect called aerial perspective.
Blue has been an important colour in art and decoration since ancient times. The semi-precious stone lapis lazuli was used in ancient Egypt for jewellery and ornament and later, in the Renaissance, to make the pigment ultramarine, the most expensive of all pigments. In the eighth century Chinese artists used cobalt blue to colour fine blue and white porcelain. In the Middle Ages, European artists used
and "Yellow is my favourite colour"
Children's Books.
- "Where Is the Green Sheep?," With Mem Fox (2004, and )
- "The Story of GROWL" (2007, )
- "These are My Feet" (2007, )
- "These are My Hands" (2008, )
- "Yellow is my favourite colour" (2010, )
- "Good Night, Sleep Tight", Mem Fox, Illustrated by Judy Horacek (2012