[IxDA Discuss] Amber and Yellow color perception

[Jim Drew]

On Feb 3, 2007, at 8:18 PM, pauric wrote:

> "Jim's suggestions about different behaviors for the colors makes the
> distinction even more pronounced."
>
> Flashing an LED actually makes it less pronounced. Less time for  
> the eye to
> perceive subtle difference in colours.  That is, flashing an LED  
> will make
> it harder to determine whether is it yellow or amber compared with  
> having it
> on all the time.

Yes, I would agree with that.  I was thinking about it in terms of  
other ways of differentiating it, though: the user doesn't have to  
tell the difference between yellow and amber if all he has to do is  
tell the difference between yelllow-ish flashing and yellow-ish solid.

-- Jim