Re: gray card

The grey card you can buy is a known calibrated reference. There's not much point in printing your own unless your printer and computer have already been calibrated with a bunch of grey and other cards and equipment. I suggest you get yourself an 18% grey hat. Then you can just put your hat

gray card

Well, for my photography needs it seems I need a gray car. They cost what? Well, I guess I'll print my own. So I open GIMP and they want an HTML code. Anyone know what the code is for 18% gray? If 18% is right in the middle of the shades of gray I found one page that says the code is 808080 and acc