看这个吧 https://en.wikipedia.org/wiki/D% ... Lj%C3%B3s%C3%A1lfar
But Grimm's "tripartite division" (as Shippey calls it) faced "trouble" in Snorri's statement that dark-elves were pitch-black, as this would lead to the "first reduction" that "dark-elves = black-elves". As a solution, Grimm "pronounce[es] Snorri's statement fallacious", and hypothesizes that "dark elves" were not really 'dark' but rather 'dingy' or 'pale'.[15][19] And while conceding that "such a Trilogy still [lacks] decisive proof,"[20] draws parallels from the white, brown and black subterranean in Pomeranian legend,[20] and the white, pale, and black troops of spirits come to claim souls in the tale of Solomon and Marcolf.[20][21]
肌の色は色素が薄いだけから褐色、あるいは青色と様々で、主にエルフとの差異を際立たせた極端な色合いになる事が多い。
概ねエルフの近縁種とされ、エルフや善良な存在に敵対する集団とされる場合が多い。
別名として「黒エルフ」「闇エルフ」「シャドウエルフ」などがある。
作品や描き手の解釈によって様々なのは言うまでも無いが、
通常色白とされている肌の色が、褐色または漆黒
金色や茶色が多い髪の色が、黒髪もしくは白髪
という特徴を持っている事が多い。黒系の色合いは「通常のエルフが邪悪な力に染まった(悪堕ち)」様の象徴としている場合もある。
もしくは実在する諸人種を連想させないために、現実には有り得ない肌色と髪色を組み合わせる事もある。その中では「青肌と銀髪」という組み合わせが人気な模様。
https://en.wikipedia.org/wiki/D% ... Lj%C3%B3s%C3%A1lfar
But Grimm's "tripartite division" (as Shippey calls it) faced "trouble" in Snorri's statement that dark-elves were pitch-black, as this would lead to the "first reduction" that "dark-elves = black-elves". As a solution, Grimm "pronounce[es] Snorri's statement fallacious", and hypothesizes that "dark elves" were not really 'dark' but rather 'dingy' or 'pale'.[15][19] And while conceding that "such a Trilogy still [lacks] decisive proof,"[20] draws parallels from the white, brown and black subterranean in Pomeranian legend,[20] and the white, pale, and black troops of spirits come to claim souls in the tale of Solomon and Marcolf.[20][21]
十个精灵九个大,还有一个没长大。同是欧派爱好者,相逢何必曾相识?干了这杯奶!