IS-2379 Color Codes for Industrial Gases

ContentsGround ColourFirst Colour BandSecond Colour Band
AmmoniaCanary yellowDark violet
ChlorineCanary yellowDark violetLight orange
Hydrocyanic acidCanary yellowDark violetPost office red
PhenoleCanary yellowDark violetSmoke grey
Sulphur dioxideCanary yellowDark violetGolden brown
AcetyleneCanary yellowService brown
Flare gasesCanary yellow
Hydrogen sulphideCanary yellowGulf red
ArgonCanary yellowFrench blue
BenzoleCanary yellowDark violetFrench blue
Blast furnace gasCanary yellowSignal redLight grey
ButaneCanary yellowSignal red
Coal gasCanary yellowSignal redBrilliant green
Carbon dioxide ( temperate )Canary yellowLight grey
Carbon monoxideCanary yellowSignal redWhite
Coke oven gasCanary yellowSignal redDark violet
Ethylchloride ( inflammable )Canary yellowLight greySignal red
Ethylchloride ( non-inflammable )Canary yellowLight greyWhite
EthyleneCanary yellowDark violetSignal red
Ethylene oxideCanary yellowDark violetBrilliant green
Freon ( chlorofluoro derivative of methane and ethane )Canary yellowLight greyDark violet
HeliumCanary yellowLight brown
HydrogenCanary yellowSignal redFrench blue
MethaneCanary yellowSignal redLight brown
MethylbromideCanary yellowFrench blueBlack
Methylchloride ( inflammable)Canary yellowBrilliant greenSignal red
Methylchloride ( non-inflammable )Canary yellowBrilliant greenFrench blue
NeonCanary yellowLight brownBlack
NitrogenCanary yellowBlack
OxygenCanary yellowWhite
PropaneCanary yellowSignal redBlack
PhosgeneCanary yellowBlackWhite