The Road Vehicles Lighting Regulations 1989
1989 No. 1796
SCHEDULE 5
PART I
Requirements relating to obligatory main-beam headlamps and to optional main-beam headlamps to the extent specified in part ii
7. Colour: WHITE OR YELLOW
If you are stopped by any police officer and asked to remove your yellow lights please do NOT. Show them this page or call Craig on 07739177157
The full legislation can be view in the link below;
http://www.legislation.gov.uk/uksi/1989/1796/schedule/5/made