My LED bulbs work well (Philips), but have one flaw: they do not redden when you dim them. I would like the color temperature to be much lower than 2700K when

My LED bulbs work well (Philips), but have one flaw: they do not redden when you dim them. I would like the color temperature to be much lower than 2700K when they are dim- to more approximate an oil lamp. Anyway, perhaps this work will lead to efficient incandescent bulbs that provide nicer light when dimmed.