colour code in a sentence

Examples

1. The text is in : different language classes are colour coded.
2. Inner pages may have elaborately chosen colour codes or hidden motifs.
3. Do we really need to colour code it ( its quite unsightly )?
4. :I would have thought the colour coded chart was pretty useful.
5. This is rather confusing, whoever invented it should have organised colour coding better.
6. Colour codes are used to distinguish line, neutral and earth ( ground ) wires.
7. :OK, I colour coded the districts, but I don't know where the islands belong.
8. Base cars gain full body-colour coding of peripheral exterior components.
9. If the colour coding was explained anywhere, I missed it.
10. Specifically, I was thinking each link should be colour coded.