This brand name is a playful take on the word "retina".
Retiny has only six characters and three syllables. Established brands using three syllable names include Adidas, Toshiba and Heineken.
This domain was first registered in October 2016. Older domains have an advantage when ranking in search engines.
Retiny.com is a .com domain. Dot com domains are the most desirable top-level-domain in the world, famously used by websites like twitter.com. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.