Deckset supports Slack style emojis, e.g.:
:sunny: :umbrella: :sunflower: :cat: :smile:
Deckset supports emojis! :umbrella: :sunflower: :cat: :smile: :thumbsup:
Please refer to this Emoji Reference Markdown file to see which emoji are supported in Deckset. There are a few favourites that aren’t part of Unicode yet, so we cannot support them.