iscolor.m
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			function bool = iscolor( color )
			%Taken from https://ch.mathworks.com/matlabcentral/answers/142087-how-do-i-check-if-a-value-is-a-correct-color
			bool=(isnumeric(color) && (sum(size(color)==[1 3])==2 \|\| ...
			sum(size(color)==[3 1])==2) && sum((color<=[1 1 1] & ...
			color>=[0 0 0]))==3) \|\| sum(strcmpi({'y','m','c','r','g','b','w','k',...
			'yellow','magenta','cyan','red','green','blue','white','black'},color))>0;
			end

rINSTCONTROL/Utility functions/iscolor.m759ccd3d2ad6TekRSA-Freq-vs-Time