@ neurosurgeon
Though, I am sure you will be able to get the shade of the paint matched by the so called paint experts (your competitors) spraying the cars of innocent owners with poor quality fillings / paint, please allow me to say, the desired color might not suit the handsome old man driving the Mini. So, I take the liberty to suggest as follows, thus maintaining the originality:

As far as I remember, this shade of “white” is one of the originals……