Something greenish light

Compared to the energy-saving lamp "Elektra Lightdisc Prism", previously at the same location, only about 1.5 year's service was doing, somewhat greenish tint light. Therefore, only the four stars.
For luminosity, I can say that it is indeed in conformity oa energy saving lamp. This is indicated at 6 watts with 220 lumens. Displayed at the Lux.pro 220 lumens should therefore correspond to the fact.
For the price paid here a strong buy recommendation.

Supplement: I ordered three lamps. Two of them fit perfectly into the mount, in the third fumbling was announced, saying the fit was to be desired. If you read here again and again. Presumably there is a greater variation within a series ...