The following sets of initials of well known sayings, phrases, quotes, titles etc all contain a word or words that is/are to do with colours:
The P F (P is the colour)
F A (A is the colour)
A C, S L A I B (B is the colour)
L S B (L and B are both colours)
W B F A H C, A F O the A M (the last A is the colour)
L T V P (L is the colour)
M M H O O B (the second M is the colour)
Natural talent I guess! ;-) No, I just thought of an obscure colour that started with "A" and the rest fell into place. I want LSB to be "Lavender's Blue" but I don't think it is ....