Forget what I said about the skintones. The Vanyar (or elves in general) are supposed to be white-ish.
And yes, sun-burn probably isn't a thing, but in my mind the Vanyar look the most healthy.
Most of them spend all ages in the safest palace on earth, while Noldor skin shows signes of stress and
the Teleri have darker skin, because they do spend so much time on their ships.
The Avari are harder to pin down. Mostly because of their mixed heritage ...
Now back to J.R.R. Tolkien's letters. The book is a treasure.
(And my instructor really didn't understand why I write J.R.R. Tolkien very time and not just Tolkien. Tss...