Show HN: Recoloring Images
theimaginaryhackathon.tumblr.com
theimaginaryhackathon.tumblr.com
I think the blurring could be avoided. This effect is usually achieved by changing the color balance (whites -> off-white, darks -> bluish) - seems a bit hard to do with IM: http://www.imagemagick.org/Usage/color_mods/#non-linear