I found a contact us link on the KMC website and sent a message. just got a response. So if anyone else happens on this thread and wants to know the answer, here it is:
Thank you for your inquiry.
Previously, the X10.93 was nickel plated and gray. Now the X10.93 is the X10 Silver/Black, the color was upgraded. This is the new name and new color.
Best Regards,
KMC Team