Assume if you posted here you would get the answer.
www.facebook.com/groups/1974928379462461/
See here this site posts a "Buch" paint - going on their site and searching for "Bukh" brings up the same link. Obviously I don't know if it is the exact same colour.
varietypaints.com.au/products/s0535-buch-red-gloss-enamel-touch-up-paint-300-grams?_pos=1&_sid=d5347d4b9&_ss=r
Would have thought if you can remove a painted bracket/fitting,and take to paint shop,to computer match ?
Very accurate these days + will be in low light so match not so noticeable ?