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