He could tell by their color, they had to be kept from him.

Another example is a field of flowers which differ only by color.

In the old days there used to be a tradition of identifying a car with its country by color.

Surely they judged him by his color, at least in part.

And we called them by their color because it was a sin to give an animal a name.

"Do you always hang your shirts in groups by color?"

Then, the firefighters often split off into groups by color.

First he wants to sort them out by color.

I know every sunset and where it belongs just by its color.

Once she'd have recognized markers by their color and pattern.