The Logic card you are using accepts only one value. It tests whether the hue is exactly that value.
You can use the combination of the ‘is smaller than’ and ‘is larger than’ Logic cards to test a range.
E.g. ‘is smaller (‘kleiner’) than 0.4’ and ‘is larger (‘groter’) than 0.3’ and connect them with an ALL card. Then the flow only continues when the hue is between those thresholds (option 1). Alternatively you can place the said Logic cards in series (option 2).
Then I would try Option 1 and see how it goes. Never came to mind to try that.
That should cover any variables with in the .3x range in case that happens again.
I should also make a light group to group all 3 lights to make the flow use less cards