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It looks very good with Black Iridium. Very professional, very understated.
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Very classic color for when you don't want a deep black, but a less harsh and more charcoal colored frame.
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Dark wires look a bit odd on fair skin, so all you Gingers keep that in mind if looking at a pewter frame. Not so bad as a sunglass frame, but as an Rx it would just look too odd on fair skin. Otherwise a good frame color, a bit harder to pull off in a formal situation though.
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It's a darker, very subdued shade of metal but it's the perfect contrast for the flashier lenses. They work great with Ruby lenses.
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These are cool, and really suit the Hatchets. One of my prefered colourways, though perhaps a little too dark coupled with a black lens.