Patent ID: 6873730

Claim:
A color conversion method for preferred color tones to convert at least one selecting original color in an original color tone image into a preferred color in a preferred color tone, forming a color image with the preferred color tone, the method comprising the steps of: setting the original color and the preferred color by selecting their chromaticity of a color image in a color space; establishing color tone action spaces, where the original color and the preferred color are taken as their basic point, respectively, along with a color tone action distance as the range to establish three-dimensional color tone action spaces of the colors; forming a color conversion space by joining the color tone action spaces of the original color and the preferred color, and determining a vector in the color conversion space from the original color to the preferred color; making a color conversion in the color conversion space to generate a new color according to the vector; and converting the colors of the color image using the correspondence relation between the original color and the new color, creating the new color image with the preferred color tone.