patch colours and plot colours

2019 10 1
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更新时间：2019 10 1
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I am having an issue using :
patch
and using:
plot
Specifically when using patch:
figure(1)
patch(vert_x,vert_y,'yellow');
But when using plot on a polygon obtained using polyshape, denoted by the variable name object1:
figure(2)
plot(object1,'FaceColor','yellow');
The output is correct, but the yellow obtained from figure 2 is noticeably lighter in color than the yellow which is obtained in patch. I want the colors to look the same. How can I overcome this issue? I have tried RGB colors and this has not fixed the issue.

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Pa342
Pa342 2019-10-1
Okay so the solution was to use:
'FaceAlpha',1
In other words,
plot(object1,'FaceColor','yellow','FaceAlpha',1);
For some bizarre reason, the brightness of two plot methods have different settings, even when using the same colors.

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Pa342
Pa342
2019-10-1

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Pa342
Pa342
2019-10-1

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