Its name derives from the London, Midland and Scottish Railway, from whom the colour was originally sourced.
ɪts nˈeɪm dᵻɹˈaɪvz fɹʌmðə lˈʌndən, mˈɪdlənd ænd skˈɑːɾɪʃ ɹˈeɪlweɪ, fɹʌm hˈuːm ðə kˈʌlɚ wʌz ɚɹˈɪdʒɪnəli sˈoːɹst.