I'll assume it's laminated. Cheapest is probably to find a color laminate you like and glue it over. Other options are copper sheeting it, have a stainless steel sheet bent to size and slide that over or put a 1" layer of colored concrete over it. Considering your budget I'd go with option #1 :)

Thank you for your advice,i will look into the laminate idea. If you know of any good website that I can find laminates I would be grateful for the info. In the meantime I will try and find some myself. Once again thank you.