I have found that both the use of color and B&W can have a very unique impact, in some cases it may cause you to look at the photo longer (most cases it is a graphic) to see why the 'author' tried to make you look at one specific colored part of the image.
I like them both! It all depends to me on the look you would like to achieve and the ambiance you would like to have coming from a photo. I do find that a lot of the nicest modeling photos are in black and white. But if you want to showcase cosmetics...you got a nice sharp image in color...it's gorgeous!
I have thousand's of pictures of my daughter, and I must say, that some of my longstanding favorites have all been B&W. I think they just say a bit more, not sure what, (that's why I'm just a model mom)
Nina (Janelle's Mom)
I think that if a colour picture can tell a thousand words then a B&W can speak double that amount. It just has this look that says, I don't know, elegance and soophistication, you know. Putting the two same pictures together but one in colour and one in B&W you will get more modern class from the colour but you will see something of innocence (for lack of a better word) from the B&W
I love them both when used in a correct way. To me, black and white pictures always paint a more simplistic feeling and give me this wonderful imagery. It causes me to not focus so much on the vibrance of color, but the natural beauty of what is being captured on film.
Color pictures can also set the mood of a picture, be it calm, exciting, etc. Sunsets and sunrise pictures are so amazing in color because no two sunsets are the same. Colored pictures really pull that out.
Black & White is definitely harder to do correctly than color photography. In color photography, the colors can make the photograph. In B&W, everything has to be right on, including a knowledge of exposure zones and exactly where to take the exposure for the effect wanted. Digital has made this a lot easier, of course, but understanding why things are good always help.
Colors bring out an emotional response. B&W a more cerebral. Things are noticed more, so the photo has to be more precise and the shot set up more carefully. As Marshall McLuhann would have said, Color is a Hot medium. B&W is Cold.