Colour of Light Emitted
The colour of light emitted by vehicle lights is largely standardised by longstanding convention, first codified in the 1949 Vienna Convention on Road Traffic and later specified in the 1968 United Nations Convention on Road Traffic. Generally, but with some regional exceptions, lamps facing rearward must emit red light, lamps facing sideward and all turn signals must emit amber light, lamps facing frontward must emit white or selective yellow light, and no other colours are permitted except on emergency vehicles.
Read more about this topic: Automotive Lighting
Famous quotes containing the words colour of, colour and/or light:
“I allow a Beauty to be as much to be commended for the Elegance of her Dress, as a Wit for that of his Language; yet if she has stolen the Colour of her Ribbands from another, or had Advice about her Trimmings, I shall not allow her the Praise of Dress, any more than I would call a Plagiary an Author.”
—Richard Steele (1672–1729)
“I allow a Beauty to be as much to be commended for the Elegance of her Dress, as a Wit for that of his Language; yet if she has stolen the Colour of her Ribbands from another, or had Advice about her Trimmings, I shall not allow her the Praise of Dress, any more than I would call a Plagiary an Author.”
—Richard Steele (1672–1729)
“Stern Daughter of the Voice of God!
O Duty! if that name thou love,
Who art a light to guide, a rod
To check the erring, and reprove;”
—William Wordsworth (1770–1850)