how to find colour code??? yaris mk1 2003

[olls205]

not on chassis plate or on doors?

[WeeYari]

Should be either under the bonnet, or on the door jams. Look for a number printed near the characters C/TR

http://www.carpaintwizard.co.uk/toyota_paint_location.html

If you cannot find anything, contact dealer and give them your VIN. They will look it up and tell you.