Tk::Widget
$widget->rgb(color)

Returns a list containing three decimal values, which are the red, green, and blue intensities that correspond to color in the window given by $widget. Color may be specified in any of the forms acceptable for a color option.

In reply to Re: Perl/Tk - query about rdg values of a colour by Anonymous Monk
in thread Perl/Tk - query about rdg values of a colour by merrymonk

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