What does the color coding of the Ikea employees mean?

I noticed at my local Ikea that some employees wear a yellow uniform, while others wear a dark blue, light blue, or even red uniform. Does anyone know what the color coding means?What does the color coding of the Ikea employees mean?
Uh...





Red for command


Yellow for engineering


Blue for science/medical


Green for security








... or I might be confused with some other organizationWhat does the color coding of the Ikea employees mean?
it may designate what department they work in or their rank in the store (associate, supervisor, management)

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