The Federal Standard 595 was originally created by the US General Services Administration. The standard is a set of color shades, each with a unique five digit reference number. The first number defines the finish [1=gloss, 2=semi gloss, 3=matt]. The second number defines the color [0=Brown, 1=Red, 2=Orange, 3=Yellow, 4=Green, 5=Blue, 6=Grey, 7=Other (white, black, violet, metallic), 8=Fluorescent].More details http://www.fed-std-595.com/FS-595-Paint-Spec.html
FS 10140
Brown Special
#532F15
FS 11136
Insignia Red
#9B2F25
FS 12197
International Orange
#BA160C
FS 13538
Orange Yellow
#F5AB30
FS 13655
Blue Angels Yellow
#FDD31D
FS 13670
Lime Yellow
#DBE568
FS 14062
Dark Green
#3D6E3F
FS 14087
Olive Drab
#3C341F
FS 15044
Insignia Blue
#2A3141
FS 15050
Blue Angels
#070D1B
FS 15183
Bright Blue
#0E5A8B
FS 15450
Air Superiority Blue
#72A0C1
FS 16076
Engine Gray
#353736
FS 16081
Engine Gray
#3B3F42
FS 16440
Light Gull Gray
#8A8685
FS 16473
Aircraft Gray
#9EA2A3
FS 16515
Canadian Voodoo Gray
#B8B7A3
FS 17178
Aluminum / Silver
#------
FS 17875
Insignia White
#EDF2F8
FS 17925
Insignia White
#F8F9F3
FS 18913
Fluorescent Red Orange
#FC4827
FS 20100
Brown Yellow
#93400A
FS 20140
Brown Special
#694024
FS 20266
Yellow Sand
#A28744
FS 23275
Earth Yellow
#CE981A
FS 23697
Yellow Sand
#FACC7F
FS 24079
Forest Green
#41402C
FS 25550
Light Blue
#CFD8DD
FS 26081
Seaplane Gray
#3B3F42
FS 26118
Medium Gunship Gray
#3F4952
FS 26270
Medium Gray
#797F7F
FS 26320
Dark Compass Ghost Gray
#808C8C
FS 26375
Light Campers Ghost Gray
#9598A1
FS 26440
Light Gull Gray
#878684
FS 27875
Insignia White
#EDF2F8
FS 28913
Fluorescent Red Orange
#FE4728
FS 28915
Fluorescent Red
#FB2B11
FS 30051
Leather Brown
#443724
FS 30118
Field Drab
#5B462B
FS 30140
Brown Special
#532F17
FS 30266
Yellow Sand
#A28744
FS 30277
Sand Brown
#948B6C
FS 30400
Yellow Sand
#B58159
FS 31136
Insignia Red
#9A2E24
FS 33446
Dessert Tan
#A38C6C
FS 33448
Dark Yellow
#A59272
FS 33531
Middlestone
#C7AB84
FS 33538
Orange Yellow
#FEC110
FS 33613
Radome Tan
#F1C7A1
FS 33695
Yellow Sand
#F5CA86
FS 34031
Dark Green
#2A2C1F
FS 34052
USMC Green
#373D31
FS 34064
Dark Green
#373828
FS 34079
Forest Green
#423F2C
FS 34086
I.R. Dark Green
#404034
FS 34087
Olive Drab
#3C3421
FS 34088
Olive Drab
#3C341F
FS 34092
Dark Green
#364A41
FS 34095
Field Green
#3B482C
FS 34096
Dark Green
#454D42
FS 34097
Field Green
#4A4C34
FS 34102
Light Green
#454932
FS 34108
Medium Green
#1B4B21
FS 34128
Deep Green
#4B654A
FS 34151
Interior Green
#536437
FS 34227
Medium Gray Green
#4D6B53
FS 34259
Yellow Green
#51680E
FS 34417
Light Gray Green
#9FAD8C
FS 34424
Light Gray Green
#A0B29A
FS 34552
Light Green
#C4DA99
FS 35044
Insignia Blue
#323C48
FS 35164
Intermediate Blue
#56626E
FS 35177
Medium Blue
#436F94
FS 35231
Azure Blue
#757FA3
FS 35450
Air Superiority Blue
#7499AC
FS 35526
Light Sky Blue
#9DB4C6
FS 35622
Light Blue
#C9D5D1
FS 36081
Dark Gunship Gray
#3B3F42
FS 36118
Medium Gunship Gray
#414A53
FS 36173
Neutral Gray
#606666
FS 36176
Dark Gull Gray
#40474D
FS 36231
Dark Gull Gray
#6F7571
FS 36270
Medium Gray
#7A7F82
FS 36300
Aircraft Exterior Gray
#939498
FS 36314
Flint Gray
#8B8C84
FS 36320
Dark Compass Ghost Gray
#818B8D
FS 36329
Light Gray
#819490
FS 36373
Light Gray
#8A8E8D
FS 36375
Light Compass Ghost Gray
#9598A1
FS 36424
Medium Gray
#BAB2A5
FS 36440
Light Gull Gray
#ACACA4
FS 36495
Light Gray
#C6C5CA
FS 36628
Flat Aluminum
#------
FS 37031
Black Gray
#24272E
FS 37875
Insignia White
#EDF2F8
FS 37925
Insignia White
#F8F9F3