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Can I change the color of the label in xline / yline to be different from the color of the line?

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I want the label color (i.e., of the text) to be a different color than the line color in xline and/or yline.
Is there an easy way to do this without the workaround below?
xline(5, '-', 'Text');
hold on;
xline(5, '-g');
hold off;
  7 Comments
Michael Mazack
Michael Mazack on 11 Sep 2023
Moved: Dyuman Joshi on 10 Oct 2024 at 14:28
Thanks, Steven -- very helpful suggestion.
The need is to make xlines and ylines -- which may obscure the data and blank space -- have lower contrast with the plot background color while having the label of the line have high contrast so the viewer can easily read it.
I have submitted an enhancement request at the link you provided with more user story detail. Thank you.
Adam Danz
Adam Danz on 11 Sep 2023
Moved: Dyuman Joshi on 10 Oct 2024 at 14:28
> The need is to make xlines and ylines...have lower contrast with the plot background color while having the label of the line have high contrast so the viewer can easily read it.
To achieve that, lower the Alpha value of the ConstantLine objects. This won't affect the label.
plot(peaks,'k-')
xline(10,'-k','Default Alpha')
xline([20:10:40], '-k', 'Lower alpha','Alpha',0.2)

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Accepted Answer

Afiq Azaibi
Afiq Azaibi on 4 Oct 2024
Starting in R2024b, you can leverage the LabelColor property on ConstantLine to control the color of the label independently of the line.
x = xline(3, 'r', 'some label');
x.LabelColor = 'k';

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