On: Trying to Solve the L.E.D. Quandary

CRI is different than temp. A bluish, high-temp lamp and a reddish, low-temp lamp can both have terrible color rendition. Lamps come with a chart, like here:

http://www.topbulb.com/color-rendering-index

that graphically shows the color distribution. Temp is where on the visible color spectrum its focus is.