Spray and restoration
Luminous RAL colours and why screens cannot show them
The five luminous RAL Classic shades glow because their pigments turn invisible light into colour. Here is why no screen can show them and how to paint them.
Read the noteThe five luminous RAL Classic shades glow because their pigments turn invisible light into colour. Here is why no screen can show them and how to paint them.
Read the noteOld bike frames wore their makers' own colours, not RAL. How to find the original shade, pick a RAL number a coater can use, and handle fluorescents and decals.
Read the note