NO.63 - Iron Grey
Flügger
Try Flügger Pro 5 - Wzornik historyczny_Historic color 60 on your wall
Take a photo of the room. Muro puts this color on the walls in the light the room actually has.
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How NO.63 - Iron Grey behaves on a wall
Flügger publishes a light reflectance value of 65.6 for this shade. At LRV 65.6 this is a light shade that still carries colour rather than reading as off-white. It gives back most of the light in the room, which suits north-facing walls that need the help. For trim that reads as a clear edge rather than a smudge, aim about 30 LRV points away — roughly LRV 36 and below. Its red and blue channels are within a few points of each other, so it has no undertone worth naming — it takes its cast from whatever it sits beside. Order by the code, not the name, and put a test patch on the wall before you commit — a screen cannot show you how this shade behaves in your own light.
NO.63 - Iron Grey equivalents in other paint brands
The closest color to Flügger NO.63 - Iron Grey from each brand we carry, measured with CIEDE2000 on the manufacturers' published color values. Below 1 the difference is practically invisible; below 2 you'd only notice it with the chips side by side. Screens and printed chips aren't paint, so compare real samples before you buy. In the Muro app you can put two of them on a photo of your own wall and look at them in your light.