I enjoy converting some of my photographs into monochrome black and white images. This usually occurs in situations where the colours do not add anything to the overall quality of the image. However, sometimes there are situations where a little added colour can have a great impact.
The following are two examples where I think that a touch of colour has a great effect. In both cases, the colour is red, which is a “hot” button that immediately draws your attention to the main focus point.