QG3 Histogram

// Modified version of Triple EMA created By User ChrisMoody Modified by Enkindel based on QG3 system by QuadG
study(title = "QG3 Histogram", shorttitle="QG3 Histogram")

src = close, len = input(3, minval=1, title="Fast EMA")
src2 = close, len2 = input(10, minval=1, title="Medium EMA")
src3 = close, len3 = input(20, minval=1, title="Slow MA")

emaFast = ema(src, len)
emaMedium = ema(src2, len2)
smaSlow = sma(src3, len3)

emaHistogram = emaFast-smaSlow
ma = sma(emaHistogram, 1)

plot_color = emaFast > emaMedium and emaMedium > smaSlow ? lime : emaFast < emaMedium and emaMedium < smaSlow ? red : yellow

plot(emaHistogram, title="EMA Histogram", style=histogram, linewidth=3, color = plot_color)
plot(ma, title="Outer Line", style=line, linewidth=4, color=black)
hline(0, title="O Line", linestyle=solid, linewidth=3, color=black)