My opinion is that it's not dull enough to be worn with a sport coat. It's to bright I believe, could be your camera/flash though. This is one of the reasons I'm only fond of Sam Hober's grenadines. His other ties tend to be to shiny for my taste. But that is purely conclusion based on the pictures from the website. I had this discussion with Rudals yesterday. For example, here's Cappelli's (Rudal's reference above) interpretation of Macclesfield #134: http://www.patriziocappelli.it/catalog/product_info.php?cPath=2_17&products_id=1737
It is more dull and by that automatically (at least for me since I like to wear dull colors, flannels, worsted etc) more versatile.
Get some swatches from Hober, the photos on the site do not represent the ties very accurately. I just got some swatches of the non-grenadine silks, and many of them are entirely matte. For $11 you can get 24 swatches, which translates to a good deal of daydreaming about ties. I have my 2nd set of 24 coming in the mail right now.