Yep that makes sense. These are the colors I am looking for when I say Silver and Lavender.
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I'm a sucker for the lighter colors with dark bills lol.
So that first one does appear to be harlequin. It's caused by the recessive harlequin gene. The color is often called snowy in the US, like snowy mallards, snowy calls, etc. The second I think is the same as lavender in the US.