A display device includes an image data receiving unit receiving image
data, a liquid crystal display unit displaying an image based on the
image data received by the image data receiving unit, a light source
supplying light to the liquid crystal display unit, an input unit
inputting information showing a use environment at a time of viewing an
image displayed on the liquid crystal display unit, a luminance value
calculating unit calculating a value for adjusting a color tone or hue of
the light source or the image based on the inputted information, and a
color adjusting unit adjusting the color tone or hue of the light source
or the image based on the calculated value.