At the beginning the colour collection included 40 different colours. Its number has risen to more than 200 today. The basic collection for matt colour shades is called RAL 840-HR, the one for glossy colour shades RAL 841-GL. Both basic collections contain colour samples that are being used by important institutions to cover a wide range of applications and are constantly adapted to the requirements of the industry. The registers are being used as colour samples for designs. They also contain safety- and signaling colours and fulfil the colour requirements of DIN regulations Other booklets like K1, K7 are also available.

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