void color()
{
UInt_t Number = 3;
Double_t Red[5]   = { 1.00, 1.00, 0.00 };
Double_t Green[5] = { 0.00, 1.00, 0.00 };
Double_t Blue[5]  = { 0.00, 1.00, 1.00 };
Double_t Stops[5] = { 0.00, 0.50, 1.00 };
TStyle::CreateGradientColorTable(Number, Stops, Red, Green, Blue, 100);
}