How to change the background color of uiradiobuttons?

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JKMSMKJ
JKMSMKJ 2025-7-31
评论： Jeff 2025-8-28
I have a few uibuttongroups in my app and to distinguish them visually I want to apply different background colors to them. But the radiobuttons' backgroundcolor can't be changed so the whole setup looks a bit weird.
Here is a sample code:
bg=uibuttongroup(uifigure,'BackgroundColor',[0.8 0.9 1],'Position',[100 100 150 150]);
rb1=uiradiobutton(bg,'Text','Previous','Position',[10 100 75 20]);
rb2=uiradiobutton(bg,'Text','Next','Position',[10 50 75 20]);
%rb1.BackgroundColor=[0.8 0.9 1]; %Won't work!
In addition, the default background grey of uibuttongroup & uiradiobutton are slightly different in R2025a so even with the default colors, it feels like something is off!
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Orion
Orion 2025-8-11
移动：dpb 2025-8-11
This looks to have been introduced in an r2025a update, as in my initial r2025a install this issue was not present (had buttons where the background color was the same as whatever color you set for the background component).

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采纳的回答

Maddie
Maddie 2025-8-19
编辑：Maddie 2025-8-19
It seems that this tends to pop up when the Interpreter property of the radio button is set to "none". If you set it to "html", you should be able to work around the issue.
For ex:
bg=uibuttongroup(uifigure,'BackgroundColor',[0.8 0.9 1],'Position',[100 100 150 150]);
rb1=uiradiobutton(bg,'Text','Previous','Position',[10 100 75 20],'Interpreter','html');
rb2=uiradiobutton(bg,'Text','Next','Position',[10 50 75 20],'Interpreter','html');

更多回答（1 个）

dpb
dpb 2025-7-31
编辑：dpb 2025-7-31
UPDATED -- CORRECTED EARLIER USE OF UIBUTTON() INSTEAD OF UIRADIOBUTTON()
It turns out for some reason the BackgroundColor property for the 'uiradiobutton'. is indeed hidden and under the 'NodeParent' (also hidden) property.
Try
hUIRB=uiradiobutton();
hUIRB.NodeParent.BackgroundColor='r';
and see if it doesn't get set to red...for action, pick up the background color of the container or, as you noted, set a coded value by function or other criteria.
I suggest reporting as an implementation shortcoming to Mathworks as an official support request/bug at <Product Support Page>, not being able to set the background color does seem like an oversight; possibly because things aren't yet done. Or, perhaps, it was just an oversight.
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