This picture is drawn using old-fashioned coloring.

His painting uses seven colors.

In Buddhism, '色' is said to refer to the material form.

Her dress was red, and it was very beautiful.

His favorite color is blue.

Her coat was mustard-colored and very noticeable.

I know this is sudden, but could you arrange a time for me to meet with the president?

He is a very serious student.

He is a very serious student.

The piece of jade used in ancient China, known as 'bi', is considered to be very valuable.