How to Convert easily a color image to black and white image?

Here you know how to convert a color image into a black and white image or in gray color in an easy way.

Do the following:

   Click the Adjustments panel.

·              Click the Black & White the icon  in the Adjustments panel.

  
      When you click the Black & White the icon then Photoshop will apply default grayscale 
     conversion and color slider also will appear. 
                  

     By using color slider adjust the gray tones of specific colors in an image. Drag a slider left to darken or right to lighten the gray tones of an image’s original color.                                           

                                

   

To adjust a particular color component, select the On-image adjustment tool and then click in the image. Drag left or right to modify the color slider for the predominant color at that location, making it darker or brighter in the image.

Click the Reset button to reset all color sliders to the default grayscale conversion.

Deselect to view the image in its original color mode.

To apply a color tone, select Tint. To fine-tune the tint color, click the color swatch to open the Color Picker