The Canterbury stigma looks dark dark purple on my CRT screen. For my new computer that I haven't set up yet, I bought an ASUS IPS monitor (VS229H-P) that is suppose to have truer color. Costs more, but for me I think it will be well worth it.
I would expect lilies with more substance, like that Canterbury, to last longer in good condition. See if you can take note of that, Anthony, and report back.