The government have focussed on it being blue.
It's iconic, apparently.
(
monkeon schmonkeon, Fri 22 Dec 2017, 22:10,
Reply)
Will you lot start colonising brown countries again?
That is far more iconic of the UK that whatever Pantone is chosen for a document.
(, Sat 23 Dec 2017, 12:48, Reply)
"There is no EU legislation dictating passport colour. The UK could have had any passport colour it wanted and stay in the EU."
https://www.theguardian.com/politics/2017/dec/23/eu-guy-verhofstadt-dismisses-mays-claim-blue-passports-are-sovereignty-statement
(, Sat 23 Dec 2017, 16:53, Reply)