请教一个问题，一个柱状图需要两个buff,如果分别定义了不同的颜色，那么他会以哪个颜色显示？愁了一天了

 #property copyright "Ali Mojtabaei."
#property link "https://telegram.me/mqlbyAliMojtabaei"
#property version "1.00"
#property strict
#property indicator_chart_window
#property indicator_buffers 2
double A [], B [];
int i, limit;
// + ----------------------------------------------- ------------------- +
// | Custom indicator initialization function |
// + ----------------------------------------------- ------------------- +
int OnInit ()
{
SetIndexBuffer (0, A);
SetIndexBuffer (1, B);
SetIndexStyle (0, DRAW_HISTOGRAM, STYLE_SOLID, 1, clrYellow);
SetIndexStyle (1, DRAW_HISTOGRAM, STYLE_SOLID, 1, clrRed);
return (INIT_SUCCEEDED);
}
// + ----------------------------------------------- ------------------- +
// | Custom indicator iteration function |
// + ----------------------------------------------- ------------------- +
int OnCalculate (const int rates_total,
const int prev_calculated,
const datetime & time [],
const double & open [],
const double & high [],
const double & low [],
const double & close [],
const long & tick_volume [],
const long & volume [],
const int & spread [])
{

/ * for (i = 0; i <= 90; i ++) {

B [i] = 1.1024;
A [i] = 1.1097;
} * /

for (i = 0; i <= 90; i ++)
{
A [i] = iMA (Symbol (), PERIOD_CURRENT, 10,0, MODE_SMMA, PRICE_TYPICAL, i);
B [i] = iMA (Symbol (), PERIOD_CURRENT, 100,0, MODE_SMMA, PRICE_TYPICAL, i);
}

return (rates_total);
}