Rebel Machines were all painted using Acrylic Enamel. This was a sturdy paint that was in my opinion the equal or superior to Base Clear popular today. (early 21st Century) but has been replaced in Canada by water based paints to eliminate Volatile Organic Compound emissions during the manufacturing and application process as well as while the applied paint off gasses. Off gassing usually takes about 2 months with oil based paints and is extremely toxic.
Do not try to match the colours you see on your screen. You have to go by the numbers.