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Joodas
Registered: Oct 2011
Posts: 8 |
Joe's 136 colors technique
Hi all,
I am looking for information about Joe's 136 colors technique. Any links will be appreciated.
Thank you for help |
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ilesj
Registered: Jun 2012
Posts: 27 |
That's cool. But to what are the luminance values based on? Looking at the 'base' colors (distance 0), the colors that are luminance pairs have different values in this chart. For example brown and blue. |
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Digger
Registered: Mar 2005
Posts: 442 |
@ilesj: You're right the luminance was derived from the HTML hex colours thus not identical with C64 color luminances.
I've replaced the values as measured by Pepto (http://www.pepto.de/projects/colorvic/)
Thanks for feedback! |
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Oswald
Registered: Apr 2002
Posts: 5098 |
I think a converter could consider using these 'colors', but no idea if the outcome would look good. even 8 bit colors can use dithering, and these are dithered from the beginning so.. also about 1/3 or half of them is unusable because of big luma distance imho. |
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Digger
Registered: Mar 2005
Posts: 442 |
@Oswald: I agree, hence luma distance slider to find out which colours are flicker safe :) |
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Skate
Registered: Jul 2003
Posts: 498 |
Very nice observation tool, thank you for that.
Something like "exclude solid colors" checkbox could be useful to see the mixed colors alone. That would be useful while using with the Luminance Diff Threshold slider. |
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Oswald
Registered: Apr 2002
Posts: 5098 |
also to show the 'true' mix could be a feature a little dithered box. |
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chatGPZ
Registered: Dec 2001
Posts: 11418 |
i used this 136 color palette in my own converter... it can be very useful depending on the input. and indeed, max. luma-distance slider is one of the key features :) |
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Digger
Registered: Mar 2005
Posts: 442 |
The 136 colors explorer tool has been updated. I've added a hires/multi/line dither patterns (per Oswald's request). Enjoy :)
https://og2t.github.io/retro-palette-explorer/ |
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Rastah Bar
Account closed
Registered: Oct 2012
Posts: 336 |
Quoting Skateit's just mixing colors like checkers
1: Color 1
2: Color 2
12121212
21212121
12121212
21212121
12121212
21212121
12121212
21212121
Can you also mix more than 2 colors? For example
12121212
34343434
12121212
34343434
or
12121212
23232323
12121212
23232323
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Joe
Registered: Apr 2002
Posts: 230 |
As Color Bar suggests: I found out when changing from ordered dithering to work with lining things. Which came from the experiences of having hires-sprites expanded in the border overlaying rasters and hatches of these "surfaces". It gives one level more of say texture of textile quality and visually a small impression of something very colorful or at least processed and elaborate images. |
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