RAL 040 50 50 English red
Here you can see the example of RAL 040 50 50 colour in RAL charts. This colour shade is a part of RAL Design colour deck, it is also known by English red name. This RAL shade is one of 501 colours in 000 - 095 chart.
RAL 040 50 50 LRV Value is known to be ≈ 20.59%. Light Reflectance Values for RAL colours have been measured using standard procedure and certified tools for coloured surface evaluation.