Experimental Schemes

A number of experimental schemes were trialled, the following during 1981

RAL 7001 Silbergrau (silver grey)
RAL 7009 Grüngrau (green grey)
RAL 7012 Basaltgrau (basalt grey)
RAL 7035 Lichtgrau (light grey)
RAL 7030 Steingrau (stone grey)
RAL 7037 Staubgrau (dusty grey)
RAL 7039 Quartzgrau (quartz grey)


RAL 7009 Grüngrau (green grey)
RAL 7012 Basaltgrau (basalt grey)
RAL 7030 Steingrau (stone grey)
RAL 7037 Staubgrau (dusty grey)
RAL 7039 Quartzgrau (quartz grey)


RAL 6014 Gelboliv (yellow olive)
RAL 7012 Basaltgrau (basalt grey)
​RAL 7001 Silbergrau (silver grey)
RAL 7030 Steingrau (stone grey)