Refrigerant colour code

CFCs

Number	Cylinder Color	Refrig. Name	Application
R-11	Orange	Trichloromonofluoromethane	Centrifugal Chillers
R-12	White	Dichlorodifluoromethane	Reciprocating and rotary equipments
R-13	Light Blue	Monochlorotrifluoromethane	Used in low stage of cascade systems
R-13B1	Coral	Bromotrifluoromethane	Low to Medium temperature applications
R-113	Purple	Trichlorotrifluoroethane	Low capacity centrifugal chillers
R-114	Dark Blue	Dichlorotetrafluoroethane	High capacity Chillers
R-500	Yellow	Refrig. 152A/12	Industrial and commercial reciprocating compressors
R-502	Light Purple	Refrig. 22/115	Reciprocating and rotary equipments
R-503	Aquamarine	Refrig. 23/13	Low temperature commercial refrigeration

HCFCs 

Number	Cylinder Color	Refrig. Name	Application
R-22	Light Green	Monochlorodifluoromethane	Residential, commercial and industrial
R-123	Light Gray	Dichlorotrifluoroethane	R-11 replacement for centrifugal chillers
R-124	Deep Green	Chlorotetrafluoroethane	Medium pressure chillers
R-401A	Coral Red	R-22 + R-152a + R-124	Medium temperature systems
R-401B	Mustard Yellow	R-22 + R-152a + R-124	Transport refrigeration, domestic refrigerators
R-402A	Light Brown	R-22 + R-125 + R-290	Ice machine, vending, supermarket and food service
R-402B	Green Brown	R-22 + R-125 + R-290	Supermarket, food service and transport

HFCs

Number	Cylinder Color	Refrig. Name	Application
R-23	Light Gray	Trifluoromethane	Low temperature refrigerant
R-134a	Light Sky Blue	Tetrafluoroethane	Automotive industry and refrigeration systems
R-404A	Orange	R-125 + R-143a + R-134a	Medium and low temperature
R-407C	Chocolate Brown	R-32 + R-125 + R-134a	R-22 Replacement
R-410A	Rose	R-32 + R-125	Replacement for residential air conditioning
R-507	Light Brown	Refrig. 23/13

https://www.blogger.com/blogger.g?blogID=4744402466049114883#editor/target=post;postID=3680206906830045754

MOHAMMAD IMRAN

HVAC Engineer