Reds, oranges and yellows. Some color experts say that black and brown also have warm characteristics. Symbolically, warm colors are said to represent change, such as those changes that occur when sum [..]

The phrase used to describe any color that is vivid or bold in nature. Warm colors are those that tend to advance in space and can be overwhelming. Examples of warm colors include red and orange (thin [..]

are any colors which, by association, suggest warmth, such as red, orange and yellow.

On a color wheel, the range of reds, yellows, oranges and red-purples. Warm colors, especially when saturated, tend to advance.

Colors which suggest a sense of warmth, they include red, yellow, and orange and brownish grays. All Warm Colors "lie in the red-yellow half of the Color Circle. Source: Ralph Mayer, "A Dict [..]

 - In color theory, colors which contain a large amount of yellow, as opposed to cool colors, which contain more blue. For example, a yellow-orange color would be warm; a greenish-blue would be cool. [..]

The family of colors that includes reds, yellows, and oranges. Warm colors bring to mind warm things, places, and feelings.

Colors that evoke a feeling of warmth, such as red, orange, and yellow. See also "Cool Colors."

Colors whose relative visual temperature makes them seem warm. Includes red-violet, red, red-orange, yellow-orange, and yellow.

Colors often associated with fire and sun, which suggest warmth. These are colors that contain red and yellow and appear on one side of the color wheel opposite the cool colors.

Those which suggest a sense of warmth i.e.: red, yellow and orange.