Shouldn’t there be a specific category only for bugs, by the way?
While this is not a functional bug (as far as I can tell), this is nevertheless a mistake.
When importing the “create color” block, the mouse hover help description caption reads “(…) All values must be between 0 and 100.” which is evidently clashing with the default value proposed as (255,128,0)
Also, not a bug, but a remark: why isn’t there an optional alpha value, when the color properties of objects in the “design” side all have RGBA?