All the answers are a colour or shade.
8. A glittering sort of novel from Agatha (9.7)
18. Stir the polite hero (10)
48. Appeared on "Strictly" in 2012 (5.6.)
52.What links morse code and Prince Regent (10.4.3.)
57. Probably the most famous of Skye Terriers910.5.)
Many thanks for any help x