Colour-coding:

Blue (#88a) indicates that a text can be used on Bulbagarden without any issues.
Yellow (#aa8) indicates that a text can be used, but with restrictions / limitations.
Red (#a88) indicates a text has issues that need to be resolved immediately.

Note that blue does not indicate whether or not an image can be redistributed or used on other sites without issues. Unlike for images, blue does indicate that a text can be modified.