sturobson/Sassifaction — pull request #17 by ogbaoghene (2014-06-28 02:01:24+00:00)
Title: RGBA fallback fix

The 5% multiple returns a tenth of the intended percentage - 4.5%
instead of 45%. Changing it to 50% corrects this. Also, replace the
`$shade: lighten` with `$darken: true`. Seems simpler that way IMHO.