Can you take a clearer shot of the radials? It resembles more A. subulata or A. latistella. Even A. tenuis could be a candidate. My problem with A. hyacynthus is the axials, which appear a bit too large in your foto.
You have a beautiful colonie, in any case! If you give it more light, do it slowly. I've burned a few of the pale cultured Acros by going too fast. They have almost no zooxanthellae and need time to build up pigments.