**This could def still be called Shadow (ShdShd / Shdshd) if we like that name <3**
Quick Silver (QikQik/Qikqik) OR Mercury (HgHg/Hghg) | Uncommon
This is a modifier of tobianos, overo, splash, and sabino markings and are a dark grey (shown at #373737) and may be affected by Roaned White or other white marking modifiers. This modifier affects all white markings mentioned above, even when multiple are present on the horse. This marking does not have to be the same hue of dark grey when there are multiple white markings present, but all should be a dark grey.
Where does this marking go? Step 9: Over White Markings
Mane/Tail? Affects mane/tail like standard white markings would.
Min/Max Expression? N/A
Breeding Traits? Can be carried even when not expressed.