We agree with the main point of Rolf Kuehni's letter; time is ripe to improve the standard lightness metric L*. We discuss items he raised: scientific literature supporting both log and power laws of lightness, the relation of math theory and curve fitting, crispening, different models of lightness for different situations, and who cares? (c) 2012 Wiley Periodicals, Inc. Col Res Appl, 39, 105-106, 2014