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Each colour has a unique NCS notation to describe how the colour relates to the four basic colours – yellow, red, blue, and green, as well as to black and white – in blackness, whiteness and chromaticness.  This makes it possible to describe the colours of all surface materials and ensure that the colours turn out exactly as you want them too.  The NCS diese App app makes defining and exploring colours an organized and simplified process.  Download the new free NCS diese App app and start pinning colours already today!  The NCS code describes the percentage of the colour that consists of these different parts.  The NCS system helps communicate colours in a way that everyone understands.  For every colour you pin, you get colour information in the form of the closest NCS notation, translated into CMYK, RGB, L*a*b* and lightness values. * The iOS app is compatible with iPhone 5 and later and also iPad 3rd generation or later. * The app may also be compatible with other devices. Requires Bluetooth 4.