IS-2379 Color Codes for Industrial Gases

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Contents Ground Colour First Colour Band Second Colour Band
Ammonia Canary yellow Dark violet
Chlorine Canary yellow Dark violet Light orange
Hydrocyanic acid Canary yellow Dark violet Post office red
Phenole Canary yellow Dark violet Smoke grey
Sulphur dioxide Canary yellow Dark violet Golden brown
Acetylene Canary yellow Service brown
Flare gases Canary yellow
Hydrogen sulphide Canary yellow Gulf red
Argon Canary yellow French blue
Benzole Canary yellow Dark violet French blue
Blast furnace gas Canary yellow Signal red Light grey
Butane Canary yellow Signal red
Coal gas Canary yellow Signal red Brilliant green
Carbon dioxide ( temperate ) Canary yellow Light grey
Carbon monoxide Canary yellow Signal red White
Coke oven gas Canary yellow Signal red Dark violet
Ethylchloride ( inflammable ) Canary yellow Light grey Signal red
Ethylchloride ( non-inflammable ) Canary yellow Light grey White
Ethylene Canary yellow Dark violet Signal red
Ethylene oxide Canary yellow Dark violet Brilliant green
Freon ( chlorofluoro derivative of methane and ethane ) Canary yellow Light grey Dark violet
Helium Canary yellow Light brown
Hydrogen Canary yellow Signal red French blue
Methane Canary yellow Signal red Light brown
Methylbromide Canary yellow French blue Black
Methylchloride ( inflammable) Canary yellow Brilliant green Signal red
Methylchloride ( non-inflammable ) Canary yellow Brilliant green French blue
Neon Canary yellow Light brown Black
Nitrogen Canary yellow Black
Oxygen Canary yellow White
Propane Canary yellow Signal red Black
Phosgene Canary yellow Black White