The indexed PNGs have been converted to RGB.
All authors are credited on the orginal website: http://subtlepatterns.com/ The individual GIMP pattern files were created by Daniel Bolton and are distributed under the same license as the works from which they are derived.
This work is licensed under a Creative Commons Attribution 3.0 Unported License. The patterns can be used freely in both personal and commercial projects with no attribution required, but always appreciated. Made by Atle Mo.
If you find the patterns useful, please consider donating to the project via PayPal.