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Returns an [[RGB ]] color number or a [[LegacyColorValue|legacy color value ]] that correspond to the color of a trendline with the specified ID number; . TL_GetColor returns a value of -2 if the specified trendline ID number is invalid.

==== Usage ====

Where: [[ :'''TL_ID]] ''' - a numerical expression specifying the trendline ID number .

==== Notes ==== * A trendline-specific ID number is returned by [[TL_New]] when the trendline is created. * Use [[TL_SetColor]] to set the color for a specified trendline.

==== Example ====Assign an [[RGB ]] color number, corresponding to the color of a trendline with the ID number of 3, to the Value1 variable:  <syntaxhighlight>Value1 = TL_GetColor(3);</syntaxhighlight>

<syntaxhighlight>Assign a [[LegacyColorValue|legacy color value]], corresponding to the color of a trendline with the ID number of 3, to the Value1=TL_GetColor(3);</syntaxhighlight>variable:

<syntaxhighlight>[LegacyColorValue=True];Value1=TL_GetColor(3);</syntaxhighlight>