What is the best colour to paint Hat Russian Putilov guns? Checked on google some photo's look light green others very light blue any ideas?

Most WW1 Russian Guns and equipment in Museums is painted a sort of muddy camoflage green colour, check out the pics at:

http://www.landships.info/landships/artillery_articles.html#

Thanks ironsides

I recall i used Vallejo Russian Uniform Green.