beauty, splendor
妍 centers on striking visual beauty and splendor, often with a sense of elegance or grace.
妍 combines 女 (woman) with 开, which likely contributes the sound. The character expresses beauty or splendor, often associated with feminine grace.
A woman (女) opening (开) a curtain reveals breathtaking beauty and splendor.
For ケン, imagine a beautiful woman named Ken whose elegance is legendary: Ken -> ケン, and her beauty is the talk of the town.