Template:Seine Grand Orly bus network/text colour/doc

Usage

 * Each Seine Grand Orly bus route is conventionally written with a predefined colour.
 * This template returns the RGB hexadecimal code for the colour of the text to be readable on the background colour for the Seine Grand Orly bus route (indicated by parameter).
 * You can use as a parameter the number, code or name of a Bièvre bus route (e.g.: 282, 480).