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Want to play with complementary colours? in rgb or srgb mode? Try this.
Nothing special, just messing around for a change, away from granites...
--
Thomas
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Attachments:
Download 'complementarycolours_test.pov.txt' (6 KB)
Download 'complementarycolours_test.png' (195 KB)
Preview of image 'complementarycolours_test.png'
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On 5/27/2021 11:04 AM, Thomas de Groot wrote:
> Want to play with complementary colours? in rgb or srgb mode? Try this.
> Nothing special, just messing around for a change, away from granites...
>
This gets complicated.
Are you just selecting complementary hues? Are you keeping saturation
and lightness the same?
What if you select complementary saturations and lightnesses as well?
What about Munsell system or CIELab? You are going to get different
values in those systems as well.
Mike
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Op 27/05/2021 om 19:29 schreef Mike Horvath:
> On 5/27/2021 11:04 AM, Thomas de Groot wrote:
>> Want to play with complementary colours? in rgb or srgb mode? Try
>> this. Nothing special, just messing around for a change, away from
>> granites...
>>
>
> This gets complicated.
>
> Are you just selecting complementary hues? Are you keeping saturation
> and lightness the same?
>
> What if you select complementary saturations and lightnesses as well?
>
> What about Munsell system or CIELab? You are going to get different
> values in those systems as well.
>
You are certainly right :-) However, I just wanted to keep it simple
while working on a scene, and get a colour complementary to another
there, without all the complications I know nothing about anyway. You
know, "I have this colour, what is its quick-and-dirty complement". That
kind of thing. As I said, nothing special, just handy to have at hand
while doing other things.
--
Thomas
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Am 27.05.2021 um 17:04 schrieb Thomas de Groot:
> Want to play with complementary colours? in rgb or srgb mode? Try this.
> Nothing special, just messing around for a change, away from granites...
>
I admit that I did not followed the granite discussion (too much
entries). But red and blue are not complementary to each other in any
colour modell I knew. Blue is complementary to some shade of yellow and
red to some shade of green. There is a colour modell which takes red and
cyan and blue and orange as complementary, but I could not find red and
blue.
Best regards
Michael
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Thomas de Groot <tho### [at] degrootorg> wrote:
> Want to play with complementary colours? in rgb or srgb mode? Try this.
> Nothing special, just messing around for a change, away from granites...
>
> --
> Thomas
Inspiring ... could we get triadics? :-)
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On 5/27/2021 11:04 AM, Thomas de Groot wrote:
> Want to play with complementary colours? in rgb or srgb mode? Try this.
> Nothing special, just messing around for a change, away from granites...
>
Also, keep in mind (and you already may have!) that the idea of
"complementary colors" was created for the RYB color model not RGB.
Mike
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On 5/28/2021 4:53 PM, Mike Horvath wrote:
> On 5/27/2021 11:04 AM, Thomas de Groot wrote:
>> Want to play with complementary colours? in rgb or srgb mode? Try
>> this. Nothing special, just messing around for a change, away from
>> granites...
>>
>
> Also, keep in mind (and you already may have!) that the idea of
> "complementary colors" was created for the RYB color model not RGB.
>
>
> Mike
Basically, the idea is that colors diametrically opposed on the RYB
color wheel "go well" with each other, and colors diametrically opposed
on the RGB color wheel tend to "clash" heavily. I'm not sure why this is
the case, and why the RYB color wheel "looks nice" (at least in Western
art).
Mike
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On 5/28/2021 5:04 PM, Mike Horvath wrote:> I'm not sure why this is >
the case, and why the RYB color wheel "looks nice" (at least in Western
> art).
I have not seen a good explanation of this in my research.
Mike
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Le 2021-05-28 à 14:34, MichaelJF a écrit :
> Am 27.05.2021 um 17:04 schrieb Thomas de Groot:
>> Want to play with complementary colours? in rgb or srgb mode? Try
>> this. Nothing special, just messing around for a change, away from
>> granites...
>>
> I admit that I did not followed the granite discussion (too much
> entries). But red and blue are not complementary to each other in any
> colour modell I knew. Blue is complementary to some shade of yellow and
> red to some shade of green. There is a colour modell which takes red and
> cyan and blue and orange as complementary, but I could not find red and
> blue.
>
> Best regards
> Michael
Red, green and blue are the additive primaries, or RGB. Their usual
complement are the subtractive primaries : Magenta for green, yellow for
blue and cyan for red, or YCM.
This can obviously change if you use some other colour space.
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On 5/28/2021 5:06 PM, Mike Horvath wrote:
> On 5/28/2021 5:04 PM, Mike Horvath wrote:> I'm not sure why this is >
> the case, and why the RYB color wheel "looks nice" (at least in Western
> > art).
> I have not seen a good explanation of this in my research.
>
>
> Mike
An analog might be the major scale in music. The seven notes A to G are
not equidistant across an octave, yet they "sound nicer" (at least to
Westerners) so they are given greater weight/bias than the other five
tones. Dunno if it ultimately makes the life of someone learning music
for the first time easier or harder, though.
Mike
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