Keywords: Quark Colors.svg Quark colors based on Image Quark_colours png by User Jlcooke Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Pieter Kuiper using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper <br/> Original text Self-made using Inkscape Apr 23 2008<br/> 2010 02 08 first version ; 2008 04 23 last version Wierdw123 talk Original uploader was Wierdw123 at http //en wikipedia org en wikipedia Later version s were uploaded by Pieter Kuiper at http //en wikipedia org en wikipedia Released into the public domain by the author en wikipedia Wierdw123 original upload log page en wikipedia Quark_Colors svg 2010-02-08 19 10 Pieter Kuiper 177×175× 4831 bytes <nowiki>one more pixel wider</nowiki> 2010-02-08 18 59 Pieter Kuiper 176×175× 4831 bytes <nowiki>one pixel wider; removing some more superfluous code</nowiki> 2010-02-08 18 08 Pieter Kuiper 175×175× 5388 bytes <nowiki>removing some more stuff</nowiki> 2010-02-08 18 01 Pieter Kuiper 175×175× 5953 bytes <nowiki>removed some references</nowiki> 2008-04-23 20 51 Wierdw123 175×175× 6059 bytes <nowiki> Quark colors based on Image Quark colours png by User Jlcooke self-made Apr 23 2008 ~~~ None </nowiki> Quantum chromodynamics |