As far as I remember, Color>>#r:g:b: expects 3 numbers between 0 and 1, instead 
of integers from 0 to 255.

Inspecting a color using the fractions proposed by Wolframalpha gives you the 
expected color:
        Color
                r: 0.06
                g: 0.39
                b: 0.39

Cheers,
Alejandro

> On Sep 28, 2015, at 11:07 PM, Offray Vladimir Luna Cárdenas 
> <off...@riseup.net> wrote:
> 
> Hi,
> 
> At a local workshop we're working with the Pharo tutorial and we use the 
> classical example of RGB colors for keyword messages. When we use the Prof 
> Stef's example we get the following screenshot:
> 
> <djjjjajg..png>
> 
> While executing the same color in Wolfram Alpha gives us:
> 
> <dgcdicbd..png>
> 
> As you can see, both colors are pretty different. Which is the reason behind 
> the differences in the color that is shown in Pharo and the one in WA?
> 
> Cheers,
> 
> Offray


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