Change color of an indicator overlay?

How does one change the color of an indicator overlay?

For example: I'd like to use an indicator type of Price and the associated defaults for the the indicator (say the parameter is $SPX, for example). Then I'd like to overlay a "red" SMA(10) line on top of that. However, the default is blue & I'm not seeing a way to change the color of the overlay (SMA line). Possible?

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