Algoritm for RGB Values for Color Wheel

[Rick Harrison]

I think when I looked into this
I found there wasn’t any predicable
logic to this.  You just have to look
up the values for the colors you want.

I suppose you could create a table
for just the colors you need and then
make your selection based on your table.

I found this on Wikipedia:

The web-safe color <https://en.wikipedia.org/wiki/Web-safe_colors> palette consists of the 216 (63) combinations of red, green, and blue where each color can take one of six values (in hexadecimal <https://en.wikipedia.org/wiki/Hexadecimal>): #00, #33, #66, #99, #CC or #FF (based on the 0 to 255 range for each value discussed above). These hexadecimal values = 0, 51, 102, 153, 204, 255 in decimal, which = 0%, 20%, 40%, 60%, 80%, 100% in terms of intensity.

There is more information there and I imagine
there are probably even better resources/explanations
you’ll find when you search for them.

Good luck!

Rick


> On Sep 12, 2016, at 10:55 AM, Sannyasin Brahmanathaswami <brahma at hindu.org> wrote:
> 
> before I go after this myself I wonder if anyone has already coded runtime display of the 12 segment color wheel as RGB values
> 
> red (primary)
> red-orange (tertiary)
> orange (secondary
> 
> etc… through to
> 
> red-purple (tertiary)
> BR
> 
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