Jared's sister described his eyes as "blue-brown," and depending on the light and what he's wearing, I've seen film and photos of his eyes both very dark and really light, and in some of the stills, they did look blue.
JA's contacts may have been tinted to give him that jewel-green shade. Since his surgery his eyes have appeared a much more gold-grey-green hazel.
I've seen off-season photos where his beard looks reddish. H's beard was the same way, and his hair appeared brown in most lights, but as Plei suggested, matching it to hair color put it in the dark, "dirty" blond range.
I think Misha's a master at getting what he wants from the fanbase. He's as much a student as an object on display; his level of actual engagement is difficult to determine.
I ignore Clif, as long as he does his bodyguard job and keeps my pretties safe.
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Huh. Jensen is even brown here with blond highlights. I dunno. Just the mental image he projects. ?
I first saw Jensen as Alec. Alec was also a brunette.
Ben and Alec are totally blond.
Oh wow. Okay.
Dark blond, mind you. But less ambiguously blond than Dean.
More than getting hair and eye colour wrong or wrongish, it's the getting body-types wrong that bothers me. Like Castiel being taller than Dean or a character having a better (or worse) body than they actually have.
I agree with Perkins that it doesn't matter much, but sometimes the details being off jars me when reading fic, or pulls me completely out. Castiel does not weigh 98 pounds.
It's fascinating to me. It also helps explain things I read in fic that were completely mysterious to me, like blond Jensen.
There's nothing I hate worse in fic than seeing "the blonde" or "the brunette" or even "the older man" and "the younger man" or whatever. Awful writing. Not even taking into account I would never call Dean a blonde.
The "older man" seems to be a fixation for some fic writers. It throws me completely out of the story. I back away when I encounter it.