A Dark Elf By Any Other Name Should Be So... White?

It's in the name "Dark Elf" isn't it? All clad in black and dark colours, but why not try something completely new?
I absolutely love the Dark Elves, more correctly I love the Dark Elves that were released in 2013 - they are amazing models full of character and menace, very much like their 40K cousins the Dark Eldar (All Praise Jes Goodwin).
I was thinking about this recently and the idea of a white Dark Elves unit, at the time specifically for a cabal of Dark Elves living in a snowy region.
My previous Dark Elves have been very black - what one reader called "Batman Black" - with subtle highlighting and deep blacks to make them very formidable looking.
The idea of a white Dark Elf was the exact opposite and quite a challenge when I actually sat down with the excellent  Black Guard of Naggarond model and started.
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As a point of comparison, here is the White Dark Elf next to a black one I did some years ago.
The more I looked at these two next to each other I thought that instead of these guys being from a cold weather cabal, they are actually elite bodyguards of [insert suitably evil Dark Elf Commander here].
They wear white to stand out on the battlefield, the enemy knowing that once the white clad soldiers get to them, they are pretty much toast. Burnt toast. Cold burnt toast - basically in deep Cold One kaka.

The Dark Elf was based in spray black, then the white areas were given two coats of white. I'd thought that starting with light grey would work, but they looked dirty rather than gleaming. The white is then given a light grey paint wash. Ceramite White is then used to paint the highlights and in some cases whole plates. I like the chalky look to the Ceramite White. It's beautifully matte!
The cloak was painted over the black base with Game Colour Extra Opaque Heavy Charcoal. This is an amazing dark gray and perfect for a black highlight. In this case I didn't want the cloak to be entirely black, so I just used Nuln Oil in the crevasses followed by a light drybrush of the base colour and then a 80/20 mix of the base and Mechanicus Grey.
The sash around his waist is Mechrite Red with a Druchii Violet wash and highlighted with the base and Mephiston Red mix. I had originally toyed with the idea of keeping the purple of the other Dark Elf to keep unit cohesion, but the red/purple on white just worked so well. 
Like the black Dark Elf I painted the plume black and then gave it a Nuln Oil wash. I wanted this to look jet black like the wings of a raven.
The metalics are my usual recipe, Leadbelcher with 2 x Nuln Oil washes and then picking out the highlights with Leadbelcher again. Similarly with the axe, but a Necron Compound drybrush and the sharpened part of the blade is Mithrill Silver.

Overall I'm very happy with the result. It helps the miniature is frankly faultless - amazing to build and paint!
I would be happy to paint more and see if I can have a small unit, maybe 2 or 4 to guard the commander.
What do you think? Good idea/ bad idea?