Some supporters of Bersih, which means clean in Malay, were arrested because they wore yellow shirts, the color synonymous with the group.

Even dashes of yellow or orange in their ties may signal their recruitment as well as yellow shirts or other objects with that color for signalling.

In the introduction to the book, McCullin writes, "I used Ektachrome, and Ringo's chrome yellow shirt jumped out of the blue of his suit."