A glass composition that includes a base glass composition including: SiO.sub.2 from 65 to 75 weight percent, Na.sub.2O from 10 to 20 weight percent, CaO from 5 to 15 weight percent, MgO from 0 to 5 weight percent, Al.sub.2O.sub.3 from 0 to 5 weight percent, K.sub.2O from 0 to 5 weight percent and BaO 0 to 1 weight percent, and a colorant and property modifying portion including total iron from 0.25 to 0.9 weight percent, Cr.sub.2O.sub.3 from 6 PPM to 400 PPM, Er.sub.2O.sub.3 from 0.3 to 3.0 weight percent, and TiO.sub.2 from 0.1 to 0.8 weight percent, wherein the glass composition has a redox ratio ranging from 0.15 to 0.62.