Perspective graphic outline color darker than fill

I assume you mean the Valve Symbol component.

You can change the fill and stroke by adding them to the style, though if you are also using the animation then those may possibly be overwritten.

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Of course you can add bindings there as needed.

Alternatively you can target them using CSS. You can then bind to the style.clasess property and change the class as needed.

There is more on that here:

Not sure what the status of the feature request is.