How can I change the color and font on the second y axis of a subplot?

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I have a Matlab subplot:
subplot(4,2,2); plotyy(x,y,x,z)
xlabel('x','FontSize',8); set(gca,'FontSize',8); legend('y','z','Location','Best');
set(legend,'FontSize',8); title('y and z','FontSize',10);
But the font on the right axis is 10, not 8, and the color is blue. I would to change the color and font. Many thanks for any help!

Accepted Answer

Azzi Abdelmalek
Azzi Abdelmalek on 19 Apr 2014
Try this
close
x=0:0.1:10;
y=sin(x)
z=cos(x)
subplot(4,2,2);
[ax,h1,h2]=plotyy(x,y,x,z);
hl=legend('y','z','Location','Best');
set(hl,'FontSize',8)
title('y and z','FontSize',10)
xlabel('x','FontSize',8);
set(ax,'FontSize',10);
set(h2,'color','g')
  2 Comments
SSB
SSB on 19 Apr 2014
This is great Azzi, I have adapted your code, which also helped me make some additional changes. Many thanks!
Sara Fawal
Sara Fawal on 23 Jul 2020
Hello Azzi,
Is there a way to set ALL the Y axis colors in a subplot to black using the findall command?
I want to do this: set(findall(gcf, 'ALL Y Axis Colors', 'k'))
Can it be done.
Thank you

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More Answers (2)

Mischa Kim
Mischa Kim on 19 Apr 2014
Edited: Mischa Kim on 19 Apr 2014
SSB, one way would be to use the plot tools. See icon in the lower right corner in the screen shot:
In the plot tools editor you can select the figure objects and change their properties. Once you are done adapting your figure you can choose > File > Generate Code... and learn how to do all those changes programmatically.
  3 Comments
Mischa Kim
Mischa Kim on 19 Apr 2014
In the plot browser start by selecting the corresponding Axes (no title) and continue by changing properties as needed.
SSB
SSB on 19 Apr 2014
Thanks. For some reason I was just not able to click on the second y-axis, but I think I have it now.

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DanielFromIllinois
DanielFromIllinois on 1 Feb 2023
You can also find the YAxis properties for left and right like so:
fh = figure;
x = 1:10;
y = 1:10;
%pltos on the left axis.
plot(x,y)
%plots on the right axis.
yyaxis right
plot(x,y*2)
%The YAxis object is stored under the Axes child of the figure.
%It has a property 'Color' that you can use to set the color to black.
%The line below will set the color to black.
fh.Children.YAxis(2) = 'k';

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