This may be useful for consistent color matching on the routes. The main colors are based off of the CMYK variable for cyan, magenta, yellow, and black.
MTA Color Standards,,,,
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MTA Mode,Line/Branch,RGB Hex,Pantone CVC,CMYK
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NYCT Subway,A/C/E,0039a6,PMS 286,c100;m56
NYCT Subway,B/D/F/M,f58220,PMS 165,m60;y100
NYCT Subway,G,7dc242,PMS 376,c56;y100
NYCT Subway,J/Z,b0720d,PMS 154,m43;y100;k34
NYCT Subway,L,939598,50% black,50k
NYCT Subway,N/Q/R,ffd520,PMS 116,m15;y94
NYCT Subway,S,6d6e71,70% black,70k
NYCT Subway,1/2/2003,ef3e42,PMS 185,m91;y76
NYCT Subway,4/5/2006,00a65c,PMS 355,c100;y91;6k
NYCT Subway,7,9d3d97,PMS Purple,c43;m91
Adapted from
http://mta.info/developers/data/colors.csv