RAL 050 40 40 Madeira brown
Here you can see the example of RAL 050 40 40 colour in RAL charts. This colour shade is a part of RAL Design colour deck, it is also known by Madeira brown name. This RAL shade is one of 501 colours in 000 - 095 chart.
RAL 050 40 40 LRV Value is known to be ≈ 13.78%. Light Reflectance Values for RAL colours have been measured using standard procedure and certified tools for coloured surface evaluation.