Equidistant colors

[David McFarlane]

Tobias,

Googling "equidistant colors" got me to 
http://vis4.net/blog/posts/avoid-equidistant-hsv-colors/ .  And that 
in turn reminded me of the CIE L*a*b* and HCL color spaces, which you 
may look up on Wikipedia.  I think you can take it from there.

-----
David McFarlane
E-Prime training 
online:  http://psychology.msu.edu/Workshops_Courses/eprime.aspx
Twitter:  @EPrimeMaster (https://twitter.com/EPrimeMaster )


At 11/21/2013 12:27 PM Thursday, Tobias wrote:
>This is not directly connected to E-Prime, but since some people are 
>presumbly real experts in psychophysics here, I would like to ask 
>anyway and I hope I can get some hints here.
>
>I would like to conduct an attention experiment in which I need to 
>have 9 colors. These should be "equidistant". That is, they should 
>be equally salient on a black background.
>
>The first thing I cam eup with was to use the HSV color space and 
>varied the H value from 0 to 239 with equal distance while keeping 
>the S and V value fixed.
>The outcome is quite disappointing. The colors seem to be not 
>comparable at all, some seem brighter, some darker and the 
>subjective distance ('similarity') was rather variable.
>
>Does anyone have a good idea how to choose 9 color that are equidistant?
>
>Thanks a lot,
>Tobias

-- 
You received this message because you are subscribed to the Google Groups "E-Prime" group.
To unsubscribe from this group and stop receiving emails from it, send an email to e-prime+unsubscribe at googlegroups.com.
To post to this group, send email to e-prime at googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/e-prime/528e52b2.2cdd320a.5a56.1eebSMTPIN_ADDED_MISSING%40gmr-mx.google.com.
For more options, visit https://groups.google.com/groups/opt_out.