Originally Posted by GM4Him
Lol. But you wouldn't know they were half-elf without the partially pointy ears!

I do favor the typical half-elf featuring at least somewhat pointy ears, yeah. You could also go with eye color (if eye shape/size isn't obvious enough) and/or skin color.

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https://forgottenrealms.fandom.com/wiki/Sun_elf

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Like all of the Tel-quessir, the sun elves were close to the height of humans, but with notable differences. Sun elves had bronze-colored skin and hair most often of copper, golden blond, and black, with red more uncommon but not unheard of. Sun elves typically had green eyes, though golden ones were also common, often with a liquid appearance, and silver, black, hazel, or copper hues had also been heard of.

https://forgottenrealms.fandom.com/wiki/Moon_elf

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Like all elves, the Teu-tel-quessir were tall, close to humans in height, but more slender and beautiful. Moon elf skin was pale, often with an icy blue hue. Moon elf hair was commonly black, blue, or silvery white, although human-like colors were heard of as well, though very rare. Moon elf eyes, like those of other elves, were very commonly green, although some were blue as well. All exhibited a characteristic best described as golden flecks speckled through the iris.

https://forgottenrealms.fandom.com/wiki/Drow

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Drow skin tones ranged from dark grey, jet-black, and obsidian, (with various shades of blue), the albino drow known as the Szarkai being an exception. Drow had white, black, or purple teeth, while their gums, tongues, and throats could be red, pink, or purple.

Drow eyes could be of any color, with bright red being the most common. Pale shades that appeared nearly white of blue, lilac, pink, or silver were also frequent. Drow with green, brown, black, amber, or rose-hued eyes existed, but they were rare. Purple or blue eyes indicated surface elves and/or human ancestry. The color of a drow's eyes could also be indicative of their current mental or physical state; drow eyes reddened when they were angry, and turned yellow when they were sick, poisoned, or under some negative magical influence.