Description: When you write the values to generate a pure color (Green, Red, or Blue), it becomes an RGB value of 255 when they should be different values. Steps to Reproduce: 1. Clic on font color -> Custom color 2. Write: C-0, M-100, Y-100, K-0 OR 3. Write: C-100, M-100, Y-0, K-0 OR 4. Write: C-100, M-0, Y-100, K-0 Actual Results: For 2: R=255, G=0, B=0 For 3: R=0, G=0, B=255 For 4: R=0, G=255, B=0 Expected Results: For 2: R=227, G=6, B=19 (or similar) For 3: R=49, G=39, B=131 (or similar) For 4: R=0, G=150, B=64 (or similar) Values obtained from Illustrator. Reproducible: Always User Profile Reset: No Additional Info: This conversion happens the same if we put an RGB value: 255, 0, 0 will convert to 100 values when they are not really correct. RED CMYK from 255, 0, 0 in RGB: 0%, 95%, 91%, 0% GREEN CMYK from 0, 255, 0 in RGB: 65%, 0%, 100%, 0% BLUE CMYK from 0, 0, 255 in RGB: 93%, 75%, 0%, 0% Values obtained from Illustrator. This is a problem because the colors that we will see in the documents will not be real and if the objective is to print, the result could be quite different.
Created attachment 163217 [details] This comparison was made in a bitmap so that there are no problems with any color conversion when exporting.
Created attachment 163218 [details] Convertion in LibreOffice writing RGB or CMYK values.
Created attachment 163219 [details] Convertion in illustrator There is no CorelDraw capture because they are not unified in the same dialog, but independently.
I think, the error is in handling Illustrator. Please try any of the online convertes with RGB#E30613 or with CMYK(0 100 100 0) to see that these values define different colors.
Of course, undoubtedly a software for excellence in color management for design is wrong. Sorry. https://helpx.adobe.com/illustrator/using/color.html
I have not said, that Illustrator is wrong. But you might not have considered that conversion in Illustrator uses color profiles. CMYK values are not used inside LibreOffice, but they are only an input help in the dialogs. And LibreOffice does not use color profiles at all. If you do not like "NOTABUG", read it as "WONTFIX".