Paler than a norm doesnt make it a pastel. Pastels are meant to be really yellow
Like so...
http
/www.google.co.uk/imgres?q=pastel+royal&um=1&hl=en&sa=N&biw=1059&bih=607&tbm=isch&tbnid=Wq13xDQrDVsVGM:&imgrefurl=http
/www.reptilecentre.com/blog/2011/01/want-your-very-own-piece-of-royalty-get-a-royal-python/&docid=jWOWQZ4kBxaDEM&imgurl=http
/www.reptilecentre.com/blog/wp-content/uploads/2011/01/iStock_royal_python2-e1296145335669.jpg&w=520&h=348&ei=ZzdAT-aBKuPT0QXvvqGPDw&zoom=1&iact=hc&vpx=735&vpy=151&dur=759&hovh=184&hovw=275&tx=177&ty=106&sig=103349512573384008980&page=1&tbnh=134&tbnw=213&start=0&ndsp=15&ved=0CFMQrQMwBA
But the eyes as well...
The eyes on a pastel are really pale slate grey.. they have really eery eyes!
Like so:
http
/www.google.co.uk/imgres?q=grey+royal+python+eyes&hl=en&gbv=2&biw=1059&bih=607&tbm=isch&tbnid=-2kqeB5q56Ap2M:&imgrefurl=http
/www.ssnakess.com/forums/python-regius/90474-tigger-pastel.html&docid=wPGVhHBEZnRCRM&imgurl=http
/i1143.photobucket.com/albums/n640/jaleely/snakes/Photo4039.jpg&w=1023&h=986&ei=UDhAT5eBOurR0QWp3MyPDw&zoom=1&iact=hc&vpx=781&vpy=249&dur=4349&hovh=220&hovw=229&tx=178&ty=150&sig=103349512573384008980&page=1&tbnh=123&tbnw=134&start=0&ndsp=15&ved=0CH0QrQMwDg
Of course... there are varying qualities of pastel and im not expert... but id still be questioning this.