1. A method for determining a blended color transform for use in producing printed colors on a color printer having at least four device color channels, wherein the blended color transform transforms colors from an input color space to an output color space, comprising: forming a first color transform from the input color space to the output color space; forming a second color transform from the input color space to the output color space, wherein the first color transform produces printed colors that have a reduced sensitivity to color printer process variations relative to the second color transform in at least a first region of color space that includes a near-neutral color region, and wherein the second color transform produces printed colors that have a reduced image noise visibility relative to the first color transform in at least a second region of color space; defining a blending function which computes weighting values for the first and second color transforms as a function of input color values in the input color space, wherein the weighting values for first color transform are larger than the weighting values for the second color transform in the first region of color space, and wherein the weighting values for second color transform are larger than the weighting values for the first color transform in the second region of color space; and using a processor to determine the blended color transform by blending the first color transform and the second color transform, responsive to the blending function.