Possible Clues:

• Part taken by mascara in Bowie's gay image
• Pride flag’s inspiration
• Display of colours by gunners in front
• Lots of colours in a row ... first class take note!
• Gunners at home getting stick for playing in different colours
• Colorful post-cloudburst phenomenon
• The painter in front colours in the sky
• Spectrum in the sky
• Sky might feature this children's programme
• Bank covering a trendy bachelor's colourful display