Is there a way to use a condition to color "fill_between" clouds

[gabrsafwat]

I tried to use the "fill_between" like I used to use it with matplotlib.pyplot:

fplt.fill_between(ma09_line, ma20_line, where=ma09>ma20, color='green')
fplt.fill_between(ma09_line, ma20_line, where=ma09<ma20, color='red')

but it seems like there is no "where" keyword argument defined in the source code.
How can I color the cloud based on a condition?

[highfestiva]

See #267.

[gabrsafwat]

similar question;
is there a way to color the plotted line based on a value?
in my case, I want to plot the line segment with "spread > 0" with a color and "spread <= 0" with another color

fast_ema = df.Close.ewm(span=3).mean()
slow_ema = df.Close.ewm(span=8).mean()
spread = (fast_ema - slow_ema) * 1.001
ax.set_visible(ygrid=True)
#The code below didn't work
color = '#ff2d00' if spread.all() < 0 else '#20932d'
fplt.plot(spread, ax=ax, legend='AK-Trend', color=color)