The difference between Colored and Negro

When used as adjectives, colored means having a color, whereas negro means relating to the black ethnicity.

Colored is also noun with the meaning: a colored person.

check bellow for the other definitions of Colored and Negro

Colored as an adjective:

Having a color.

Examples:

"Wash colored items separately from whites and darks to prevent the colors from bleeding."
Colored as an adjective:

Having a particular color or kind of color.

Examples:

"The room was red, with a dark-colored rug."
Colored as an adjective:

Having prominent colors; colorful.

Examples:

"The singer wore a colored shirt."
Colored as an adjective:

Influenced pervasively but subtly.

Examples:

"My opinions are colored by my upbringing."
Colored as an adjective (US, now, _, dated, and, potentially, _, offensive):

Of skin color other than white; in particular, black.

Examples:

"Being of an older generation, they considered themselves "colored ladies"."
Colored as an adjective (South Africa):

Of neither black nor white skin color.

Examples:

"Most of the colored community speaks Afrikaans, whereas languages like Xhosa or Venda are typically spoken by blacks and English is spoken mostly by whites."
Colored as an adjective (chiefly, historical):

Designated for use by colored people .

Examples:

"a colored drinking fountain''; ''a colored hospital"

Colored as a noun (US, now, _, dated, and, offensive):

A colored person.
Colored as a noun (laundry):

A colored article of clothing.

Negro as an adjective (dated, now, offensive):

Relating to the black ethnicity.
Negro as an adjective (dated, now, offensive):

Black or dark brown in color.