twbs/bootstrap-sass — pull request #738 by GEEKIAM (2014-10-08 18:26:21+00:00)
Title: Change parameters which passed in the rgba function

No reason to convert HEX to RGB because Sass has two overloads of rgba() method and one of them allows us to pass color in the HEX format

Link to docs: http://sass-lang.com/documentation/Sass/Script/Functions.html#rgba-instance_method