My new camera has some neat effects you can use while shooting photos. Some image-editors probably have these too, but I hadn't used them before.
Choose a color to highlight, and have everything else changed to black&white:

This rug really is blue:

You can choose another color, and switch it with the first.
I changed the rug to red:

Then I took a photo outside, and part of the sky was switched from blue to red:

This was highlighting a range of blue/green colors, with the rest changed to black&white:

I made brownies, but they don't taste as good as usual. Not sure if I got the wrong flavor, or if my appetite is lacking. :(
Choose a color to highlight, and have everything else changed to black&white:

This rug really is blue:

You can choose another color, and switch it with the first.
I changed the rug to red:

Then I took a photo outside, and part of the sky was switched from blue to red:

This was highlighting a range of blue/green colors, with the rest changed to black&white:

I made brownies, but they don't taste as good as usual. Not sure if I got the wrong flavor, or if my appetite is lacking. :(