RAL 040 30 05 Basalt black
Here you can see the example of RAL 040 30 05 colour in RAL charts. This colour shade is a part of RAL Design colour deck, it is also known by Basalt black name. This RAL shade is one of 501 colours in 000 - 095 chart.
RAL 040 30 05 LRV Value is known to be ≈ 9.39%. Light Reflectance Values for RAL colours have been measured using standard procedure and certified tools for coloured surface evaluation.