Incorrect Runway Colour Code

During my recent flight into Guangzhou (ZGGG), I noticed that on the map, all runways were coded green and each end, however when I went onto the ATC window, my desired runway was actually illuminated red.

Why did this happen?

Thanks

On the map, the runway numbers only appear to be different colors if the wind is above 4~5 knots. On the ATC window though, the winds are accounted for any speeds, which makes it appear any color as long as winds aren’t 0@0.

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Thnank you

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