There is no unique style in photography – each photographer practices his/her own techniques. Depending on the topic reflected, the type of photography used, you may prefer different photographic styles. If your intention is to concentrate on details, then color photography is the way to go, while if your goal is to depict emotions, reflect eternity or mood, then black-and-white photography may become your preference.
Most of the time though there will be both styles combined. Black-and-white photography looks more formal and serious, and while the photo may look simpler, the mood of the photo is more intense making it more emotional.
The absence of color allows concentrating on the subject without any distracting elements. Without color, the eye and mind immediately see the components, subject, mood, composition of the photo. Black and white can have various looks too.
You are still dealing with an infinite number of levels of grey, black, white, as well as contrast. These can all have a dramatic influence on the emotion of a photo. Grayscale effect available with Image Converter Plus enables the users to produce black-and-white photos without changing color mode.
Grayscale filter transforms the image in such a way that it contains information about black color level only. 0 corresponds to white color, 255 to black color, all other values correspond to various gradations of gray color. Black-and-white has just as much power, if not more, to evoke emotions as color.