In 2016 I wrote a paper for Thorn Lighting which turned into Masterclass for the Society of Light and Lighting. It was based around getting the balance of light in a space right before you added worries of Human Centric lighting as it was being called then.
There’s a lot of talk about colour rendering and colour temperature, and it seems mostly about what the truth applied to LED. Should it be R using the 8 sample scale (R8), or R using the 14 colour scale (some call this R14)? Doesn’t Ra of 100 compare to daylight, or is it tungsten? Does… Continue reading Colouring your thoughts