Skip to main content

Color Converter

The Color Converter module allows you to convert a measured color (or imported from a table) to RGB or CMYK

When you have measured a color with your spectrophotometer, you may need to convert it to RGB, CMYK, or LAB.
Color Finder does this for you and also displays Delta E values after conversion to indicate if the color is reproducible.

How to use Color Converter to convert color with ICC profile

Measure or import the colors to convert, then the icc profile to use to perform the conversion.

For example, I select two ICC profiles (AdobeRGB1998 and Isocoated_v2) and two .spc files (2 colors measured previously.

image-1628609146604.png

Scroll down to the " Color Converter " menu in the bottom right bar, then drag the icc profile to its location in the Color Converter menu.

Select the rendering intent of the file and the Delta E formula

image-1628609180170.png

Your color is automatically converted to CMYK or RGB, depending on its color space.

You will also get the LAB value after conversion and the delta E between the original LAB value and the LAB value after conversion The delta E will tell you whether or not the original color is reproducible in the color space used for the conversion .

Same example but with an RGB profile, the result will be in RGB.

image-1628609227471.png

Another example: you can use a paper simulation profile to do the conversion.
If the Delta E is close to 0, it means your color is reproducible on the printer with this paper.
So if your Delta E is greater than 2, it means your color cannot be accurately reproduced.
In the example below, the Delta E is less than 1, the Tomato Red color is therefore reproducible on the Epson SC-P7500 printer

image-1628609657559.png

If you don't have a profile to convert your colors, you have a choice of three profiles:

  • sRGB

  • Adobe RGB 1998

  • CMYK (Isocoated_v2_eci.icc) corresponding to the Fogra 39 standard

image-1628609845669.png

Back to top