Red heart emoji Just like the yellow heart emoji, the red heart symbolises you are No1 besties. However, it differs from the yellow heart by indicating you have been friends for at least two weeks.

The yellow heart emoji, along with the other was approved under Unicode 6.0 in 2010. Across all social platforms, the yellow emoji comes with a golden hue which looks amazing when shared.

The basic, round smiley emoji we're all familiar with has a yellow base: Now consider the base color of the yellowish faces released in Apple's new iOS beta: They're both essentially the same yellow.

Madison Square Garden's Sphere at The Venetian Resort has displayed an animated yellow emoji face on its 580,000-square-foot LED screen since Friday.