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In lugnet.cad.dev, Dan Boger wrote:
> The way I see it, we probably will never switch to calling colors by
> their LEGO names - some, like 'Lig. Yellowich Orange' just don't work
> for me :) It would be nice to correlate the names we use to the entries
> in the table. For that matter, it would be nice to be able to have a
> comprehensive chart, that includes all the known naming conventions. The
> best bit of data I see getting from LEGO's chart is just the RGB/Pantone
> values for the colors. Those we could use, especially in LDraw/POV
> applications.
>
> Dan
With respect to the RGB and the CMYK numbers... I did a bit of quick reading
about the two color specification models. If I understood it correctly, RGB is
more oriented towards monitor displays, while CMYK (subtractive) is intended to
specify more accurately imaging on a medium (such as paper, etc). Are the CMYK
numbers given for printing those colors ?
Ray
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In lugnet.cad.dev, Ray Sanders wrote:
> In lugnet.cad.dev, Dan Boger wrote:
> > The way I see it, we probably will never switch to calling colors by
> > their LEGO names - some, like 'Lig. Yellowich Orange' just don't work
> > for me :) It would be nice to correlate the names we use to the entries
> > in the table. For that matter, it would be nice to be able to have a
> > comprehensive chart, that includes all the known naming conventions. The
> > best bit of data I see getting from LEGO's chart is just the RGB/Pantone
> > values for the colors. Those we could use, especially in LDraw/POV
> > applications.
> >
> > Dan
>
> With respect to the RGB and the CMYK numbers... I did a bit of quick reading
> about the two color specification models. If I understood it correctly, RGB is
> more oriented towards monitor displays, while CMYK (subtractive) is intended to
> specify more accurately imaging on a medium (such as paper, etc). Are the CMYK
> numbers given for printing those colors ?
Ray-
I asked about this and got a sort of vague responce:
The CMYK is given to tell people what the CMYK value is.
If you want to print with it because it is better for printing, then use that.
The values listed are for color the actual plastic.
The point is that the colors are given in a variety of formats for a variety of
purposes... up to the user to choose which one to use.
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In lugnet.cad.dev, Jennifer L. Boger wrote:
> I asked about this and got a sort of vague responce:
>
> The CMYK is given to tell people what the CMYK value is.
> If you want to print with it because it is better for printing, then use >that.
It should be, since most modern printers use cyan, magenta, and yellow ink
for color printing (I'm guessing "K" is for "blacK"?). In working with light,
the primaries are red, blue, and green, and the secondaries are cyan, magenta,
and _amber_ (a bit on the orangy side). It makes sense that they'd want to have
seperate color values for printing, given their fondness for printing color
instruction manuals.
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(I'm guessing "K" is for "blacK"?).
"K" stands for Key, but why black is called key I don't know, you'd have to ask
a printer (Person not a machine!)
Tim
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In lugnet.cad.dev, Jennifer L. Boger wrote:
> I asked about this and got a sort of vague responce:
>
> The CMYK is given to tell people what the CMYK value is.
> If you want to print with it because it is better for printing, then use that.
> The values listed are for color the actual plastic.
> The point is that the colors are given in a variety of formats for a variety of
> purposes... up to the user to choose which one to use.
The way to test this is to do the translation between CMYK and RGB. If the
numbers in the table convert more or less exactly, then we know it's just a
simple translation. If they don't match, then it's likely the CMYK values have
been ajusted for printing.
Unfortunately I don't have a good enough graphics program available to test this
out myself. The few I have only have RGB and HSV.
Derek
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