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What You Need To Know: the direct point of an EditPad Color Palette is NOT to make your code look pretty!!!
No. A palette is just a range of colors attached to certain labels. The labels may have names like they sound like they mean something (for instance, a Comment label attached to a green color), but the names of the labels don't matter at all.
Note that the last statement is not the official view, but the one I've reached after failing to use EPP's color palettes in the conventional way when applying them to syntaxes as wildly different as those of Markdown or Autohotkey. For me it's much easier to see the palette as a repository of colors, and the labels as arbitrary names — giving me ultimate flexibility when I want to apply a specific color.
This screenshot sees how the same colors get recycled across four syntaxes: Autohotkey, Anki, INI and Markdown.
To apply specific colors to certain tokens in your files, such as if statements, each type of file has a "grammar file", known as a syntax-coloring scheme. For instance, in the syntax-coloring scheme for the language Python, there might be a section that defines the words relating to flow control (words such as if, while and so on).
In that file, you assign sections of grammar (such as flow control) to the labels they should use in color palettes. If you want your flow control words to look green and the only green available in your color palette is defined under the label Comment… Then you can assign Comment to Flow Control in the grammar file, whether or not the words make sense.
That's why you shouldn't get hung up on the names of labels in the color palette.
Implication: if you don't like the color of a code element but the palette is good, you don't need to mess with RGB values. You just pick another color from the palette.
This is how the same palette can be used across different languages.
The label Comment might have a green that is used by completely different types of tokens depending on the file type: flow control statements, variables, or even comments!
I lied. The names of some labels in the color palette do matter sometimes. When you look at a color palette, you'll see three categories of labels: those relating to Syntax, those relating to Editor functions and those relating to Regex. Those whose names don't matter are only those that relate to Syntax, and that's because you assign the relation between the syntax and the label. In contrast, the Editor and Regex labels relates to things that EPP decides itself, such as what constitutes a selected line or a line number.
When I created the MishMash scheme (for EPP 7), I found that the only way to keep the information straight was to create a template to keep track of colors as they appear, their RGB values and their uses. Please note that I have not yet adapted the template to take advantage of additional features in Edit Pad Pro 8.
This gave me a spreadsheet with several tables. Here are some screenshots. You can download the template to adapt it to your needs. I won't explain everything because I believe that rather than reading words, the easiest will be to pay attention to the headings and start working it yourself to get some hands-on experience.
Do notice that the spreadsheet has two tabs.
The "Use in Schemes" tab lets you check how you're using the palette's colors across syntax-coloring schemes. This is useful to check if some colors are unused.
The "RGB Values" tab has tables for (i) syntax elements in my language file, (ii) colors in the Color Palette, and (iii) potential colors I might want to use.
Please follow the process explained on the MishMash Color Palette page.