Just realized I wasted 2 years printing logos in RGB and wondering why the greens looked gross
Honestly for the longest time I would just design stuff in RGB and hit print, then get mad when the green on my shirts came out looking like swamp water. Last month a guy at a shop in Sacramento named Ray showed me how to convert to CMYK first and check the numbers, and my greens finally started matching what I saw on screen. Turns out that bright neon green I loved was never even possible in CMYK, so I had to pick a new one. Tbh I still don't fully get gamut warnings, does anyone have a trick for knowing which greens will actually hold up on fabric?
RGB to CMYK is a step for sure but that's not really why your greens were off. Screens and printers just can't show the same greens, so even a good CMYK file can print way duller than what you see. Ray was right about checking the numbers though, pull up a Pantone book or printed swatch for greens before you commit.