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The reference value for CMYK 0/41/90/4 in Coated FOGRA39 is 239,161,35. The fitted profile gives 239,161,33 (ΔE00 0.16); the uncalibrated formula DesignCraft used gives 245,144,25 (ΔE00 6.36). Six more reference values (K50 grey, rich black, light tint, skin tone, C+Y green, near-neutral) are within 0.7 ΔE00.