# Moving Average Colored EMA/SMA

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This script will give you the ability to put an EMA and/or SMA on the chart that changes color based upon the direction. Default at startup is EMA visible and SMA hidden. When the MA is moving up, it is green. When the MA is moving down, it is red. You can change the color to whatever you like.
```//Created by Robert Nance on 072315
study(title="Moving Average Colored EMA/SMA", shorttitle="Colored EMA /SMA", overlay=true)
emaplot = input (true, title="Show EMA on chart")
len = input(8, minval=1, title="ema Length")
src = close
out = ema(src, len)
up = out > out[1]
down = out < out[1]
mycolor = up ? green : down ? red : blue
plot(out and emaplot ? out :na, title="EMA", color=mycolor, linewidth=3)

smaplot = input (false, title="Show SMA on chart")
len2 = input(8, minval=1, title="sma Length")
src2 = close
out2 = sma(src2, len2)
up2 = out2 > out2[1]
down2 = out2 < out2[1]
mycolor2 = up2 ? green : down2 ? red : blue
plot(out2 and smaplot ? out2 :na , title="SMA", color=mycolor2, linewidth=1)```
Great indicator.. Does anyone know how to somehow screen for this indicator?
Great thanks so much!
In addition I would like to get the same type of colored EMA applied not only on charts, but also on indicators (for example, I wish to do it for an EMA of a stochastic or of a MACD zero lag).
Could you help me to get it ?

Phil
ebly
@ebly, Just right click on the indicator (i.e. Stochastic) and "apply indicator on Stochastic"
This is really great, thanks for making it available.

I'm trying to apply the idea to this HPotter's ADV Line indicator, but can't figure it out. Any chance you could help?
This is the code:

DecSymbolVolume = input(title="Declining Volume Symbol", type=symbol, defval="USI:DVOL")
Resolutin = input(title="Resolution", type=resolution, defval="D")
xDSVValue = security(DecSymbolVolume, Resolutin, close)
nRes = nz(nRes, 0) + NetADV

OTMRob
@OTMRob, At first glance you are trying to create a new value that is referencing itself (nRes): nRes = nz(nRes, 0) + NetADV
repo32
I'm not familiar enough with pine to understand what you're saying there about the self referencing value, unfortunately, but would love to try to understand if you have the time to explain. This is @HPotter 's script.

I would be happy to pay for the script above with code that changes color based upon the direction added in.

Thanks,
Rob
OTMRob
repo32
@repo32,

OTMRob
@OTMRob, Just remove the last line from his script and add the following:

UnRes = nRes > nRes
DnRes = nRes < nRes
mycolor =UnRes ? green : DnRes ? red:blue
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