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Have you studied the color wheel? The basic color wheel has 12 colors (3 primary, 3 secondary and 6 tertiary). More detailed color wheels have tints of those colors, which add up to 36 colors or more.

Yes, i have already seen this wheel. I know, this is a problem. Thats why i opened this thread

Why do you need 36 colors?
No one needs 36 colors for any one project.
This is a pet peeve of mine mostly due to the fact that in the work I do, designers know there are no plates they have to pay for so they pick a bazillion colors they want matched.
/rant

Why are you relying on shades of color when you could just as easily rely on icons. Since this is for a website, you are going to have a difficult time differentiating these colors enough to stand apart on most monitors, and some monitors just won't.

Instead of 36 colours, can you use 36 colour combinations instead?

Say each icon uses 3 colours for Text, image and background, you could pick 12 colours start with and use the colours in a different order each time.

I try to create language-icons. An icon for the language germany, another language for italien, anonther for chinese ... and so on.

http://upload.wikimedia.org/wikipedi...n_der_Welt.png defines 36 language families. And i would selest one special color for each language family.

Well, maybe, i have to combine colors.

I would say, start assigning the colors and see where you end up.
Example, would be to draw a plain square fill it with a color, label it to the language/region.
Repeat.

Then you will see if the colors look good. Also look at the country flags, many times I can see a color combination and think of a certain country.

Coming up with 36 different colors by mixing various percentages of CMYK is easy, but if you're using them for color coding that people will be able to recognize and distinguish the light green from the slightly darker light green when they're not right next to each other, well, that's just not going to work.

It's a little like music — some people with perfect pitch can recognize a particular note as being entirely distinct from all other notes even when it's completely out of context from any musical composition. The vast majority of people, however, can't do this and can only recognize a note in relationship to the notes that are surrounding it.

Color pretty much works the same way. Line up 36 colors next to each other and most people will be able to tell the reddish-orange from the orangish-red, but put those two separate colors on different pages where they can't be compared, and most people won't be able to tell you which is which.

Also consider that a significant percentage of the general public has color blindness issues to one extent or another. To a person with red-green color blindness, all those varying shades of red and green that you come up with are going to look mostly like varying shades of gray.