“2012 March 2, Andrew Grice, "Yellow rebels take on Clegg over NHS 'betrayal'", The Independent”
Related to the Free Democratic Party of Germany.
“the black-yellow coalition”
noun
The colour of gold, butter, or a lemon; the colour obtained by mixing green and red light, or by subtracting blue from white light.
The intermediate light in a set of three traffic lights, the illumination of which indicates that drivers should stop short of the intersection if it is safe to do so.