Platy Male Changing Colour?

[gizzmo341]

i have a platy male that his dorsal fin went from black to orange and black now 3-4 months later his caudal fin is doing the same thing is there anything i should be worried about he is fine other wise

 

[Seal36]

Nope nothing to worry about my livebearers used to change colour from time to time from Tom

 

[gizzmo341]

thanks