Registry status
Reserved. #F8F8FF is the CSS named color “ghostwhite”, one of a small set we keep out of the registry so no single person holds it.
See #F3F3FA, which looks the same and can be registeredReference names
Names this exact code carries in public color lists. They are reference data, not registrations, and this code itself is reserved, so it can't be registered.
- ghostwhiteReference name · CSS named colors (Public specification)