It's a cute, flirty kiss with smiling eyesβsending a soft kiss or showing affection. People use it when they're being playful, thanking someone sweetly, or hinting at romance.
It's a vibe of being spaced out or dreamyβthe face in clouds meme. People use it to signal being high, relaxed, or in a hazy mood, often joking about weed or chill vibes.
Both convey a mood or feeling in a quick, emoji-sized package.
One is explicitly affectionate or flirtatious; the other signals a hazy or high mood.