The emoji with the unicode 1F17E FE0F is known as the O Button (Blood Type) emoji. This emoji is a red square with a white letter O in the center. The FE0F part of the unicode is a variation selector used to specify an emoji-style display for the preceding character, in this case, the O Button (Blood Type).
The primary and most common use of the O Button (Blood Type) emoji is to represent the blood type O. In many Asian countries, particularly Japan, blood types are believed to be indicative of personality traits, much like horoscopes in Western cultures. Therefore, this emoji is often used in conversations related to health, medical conditions, or personality descriptions.
Beyond its medical connotations, the O Button (Blood Type) emoji can also be used in non-romantic or non-obvious ways. For instance, it can be used to represent the letter O in a series of messages, or to express agreement or acknowledgment, similar to saying okay or oh.
While the O Button (Blood Type) emoji may not be as popular as some other emojis, it holds cultural significance in regions where blood types are associated with personality traits. It is also commonly used in medical contexts or discussions.
Related emojis include the A Button (Blood Type), B Button (Blood Type), and AB Button (Blood Type) emojis, which represent the other blood types. The Negative Squared Latin Capital Letter O emoji is also similar, but it is used more often to represent the letter O rather than the blood type.
The O Button (Blood Type) emoji doesn't have any specific associations with particular apps or communities. However, its use is more prevalent in Asian countries, particularly Japan, due to the cultural significance of blood types in these regions.