I have now taken the points and curves from the Rhino document, internalize, I decided to change the color, the component does not work.
Your definition works correctly for me, but after replacing the data with my own, the color does not change.
ColorPreview.gh (8.6 KB)
it looks like this is a problem of order ; like that the original color is above the new color
select the custom preview component and (ctrl-x / ctrl-c), (cut and paste) and the new color will appear
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Works! But it is generally somehow wrong. And how it turns out, why deleting and inserting? And now I accidentally found the second solution, you just need to hide the curves and points … The adjustable elements are probably located above the setting itself, it is hard …
yes hiding them also a solution, maybe this is a bug or grasshopper need order component