Question
Why don't plot(x1,y1,x2,y2) and plot(x1,y1,'b',x2,y2,'g') have the same color green line? Can you make them the same color? All the other colors that can be specified as a character seem to produce the same color as the autocolor of plot().
Expert Answer
Prashant Kumar
PhD Expert
Answered Aug 24, 2026
I have no idea why, but you can set the colour manually:
plot(x,y,'color',[0 0.5 0])
or, for that matter, use any 1x3 vector to set the RGB colours. Type
get(gcf,'DefaultAxesColorOrder')
to see the default colour scheme
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