What Causes Orange Colored Palm?

im 28 female i am 5ft 9 and weight 13.5 stone. Im feeling tired and moody all the time my work pattern varies at work sometimes finishing at 10 pm most times 1am i average about 7-8 hrs sleep but when i wake up i seem to be more tired than whe n i went to sleep and for some strange reason the past 2days my left hand on the palm has seem to gone orange?