Omni Systems, Inc. Mif2Go User's Guide, Version 55

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> 13 Converting to HTML/XHTML > 13.7 Defining and mapping colors for HTML > 13.7.1 Converting colors

### 13.7.1 Converting colors

Mif2Go converts the color values in your document from the CMYK model used in FrameMaker to the RGB model used in HTML. If you used colors that are not in the tiny Web-safe group (see §13.7.4 Using Web-safe colors), this conversion can result in a display that looks very different from the way it looked in FrameMaker. The difference is especially noticeable if the colors you used are from a color library, such as one of the Pantone libraries; see §13.7.6 Understanding CMYK-to-RGB conversion anomalies.

Specify exact colors

To correct the colors, for each color named in FrameMaker you can specify the exact RGB value you want to use, in section [Colors]. You must use [Colors] to get the results you want from any color that originated in one of the FrameMaker color databases. However, if you can specify RGB colors to begin with instead of CMYK in your FrameMaker document, you might not need to redefine them in [Colors].

Define Web-safe colors

If your colors are already CMYK, you cannot just change them to RGB in FrameMaker; you must edit the percentages for every single color, even if they seem right. Use multiples of 20% for all values, so the colors are all in the Web-safe set. FrameMaker still writes CMYK to the MIF intermediate files, but it is CMYK for which the Mif2Go conversion algorithm works. See §13.7.6 Understanding CMYK-to-RGB conversion anomalies for more information.