I'm not sure about weather or not hook color matters but I do know . . . Clancy Holt changes hook colors with the water conditions. One of the very best steelheaders I ever knew - the guy was paid to catch steelhead by the B.C. govt. - fished big chrome hooks sizes 1 - 2/0 with a single Jensen egg, almost all the time. He felt that the hook was part of the attaction.
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No huevos no pollo.