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kotlinlang

I know this isn't kotlin specific, but:  Is there a way to specify additional types/functions that represent colors, so that IntelliJ will render the color preview in the gutter like it does with CSS/java.awt.Color?  I have some custom code that deals with colors, and it would be nice if the color preview worked with them.

I found a hack for this, but it's not ideal so I'd like to see an improvement.

```import org.intellij.lang.annotations.Language

fun Color.Companion.fromHex(
    @Language("css", prefix = "p { color: #", suffix = ";}")
    hex: String,
): Color = ...```

image.png

That is a very neat hack! Unfortunately, I'm not using strings, so I don't think it'll work.