rriepe/1pxdeep — pull request #13 by bassjobsen (2014-04-16 17:46:39+00:00)
Title: luma correction for Less 1.7

Less 1.7 use a different way to calculate the luma() of a color, see: https://github.com/less/less.js/pull/1890
luminance() gives the "old" value for backward compatibility.