Yes, those Eagles pants were silver. They only had silver pants in their wardrobe back then. And no, those examples you posted are great, classic uniforms. But examples like the Falcons’ new mono-black and mono-white sets, the Saints’ mono-black and mono-white sets (the regular white set, not the CR), the Titans’ mono-navy and mono-white sets, the Jags’ all-black or all-white sets, etc. are all garbage. Not all mono uniforms are bad, and in fact there are several really classic mono uniforms in the NFL and in college as well (Colts’ all-white, Texas’ all-white, Clemson’s all-orange, the examples you posted above, etc.). And mono-white is generally much more tolerable than mono-color, especially because it’s a look that has some substantial tradition behind it. But there are even still some mono-white uniforms that are pretty terrible, like the examples I mentioned above.