Preferred Dash Illumination

[300bhp/ton]

kambites said:

300bhp/ton said:

I've also heard that the human eye is most sensitive to green light, so maybe that's why a lot of cars in the past have used green light?

It varies by person. As I understand it, the interface between the eye and the brain basically consists of three level values for the three primary colours. However, the eye actually decodes a bell curve distribution of frequencies for each colour signal, with the height of the bell curve at the point of the frequency of incoming light being a multiplier between the actual level of that light and the strength of the signal sent to the brain. It usually looks something like this:



As you can see the red and green curves sit very close to each other, with the blue some distance away (being red-green colour blind is when they sit almost exactly on top of each other). However the heights of the curves are near enough the same, for most people.


Interestingly, this means that the brain could be wired up with any permutation of those colours and we'd never know; it's quite possible that what one person calls blue actually looks to them exactly like what someone else calls green. There's no way to tell. That might go some way to explaining why different people like different colours?

Edited by kambites on Wednesday 12th January 08:58

Interesting thanks

[anonymous-user]

I do quite like the Green and Red on the Mondeo:



The Alfa before it was orange, which was quite soothing as well.

[JonnyFive]

Mine was green, but I changed it to blue as the green didn't go with the lights on my headunit. I've still got to change over a few of the bulbs in the HVAC.

[Garlick]

The dash lights in my LS400 are probably the best I have ever used. Bright white and so easy to read.

Impressive for a car built in 1997.