Varieties of the color red may differ in hue, chroma (also called saturation, intensity, or colorfulness), lightness (or value, tone, or brightness), or in two or three of these qualities.

Pigment red is the color red that is achieved by mixing process (printer's) magenta and process (printer's) yellow in equal proportions.

This is the color red that is shown in the diagram located at the bottom of the following website offering tintbooks for CMYK printing: Tintbooks - Get Accurate CMYK Color Results For Your Printing Projects.

The result approximates (with much less brightness than is possible on a computer screen) the electric red shown above.

The Munsell colors displayed are only approximate as they have been adjusted to fit into the sRGB gamut.

[8]The color madder is named for a dye produced from plants of the genus Rubia.

Crimson is a strong, bright, deep red color combined with some blue or violet, resulting in a small degree of purple.

[12] Lieutenant-Colonel John McCrae, a Canadian officer and surgeon in World War I, wrote possibly history's most famous wartime poem, called "In Flanders Fields", written in 1915.

[19] The color is described as dark red, deep crimson, deeper burgundy, deep red chocolate, as dark hazelnut and velvety maroon.

Cordovan is a rich medium dark shade of red.

[30] Bittersweet shimmer is one of the colors in the special set of metallic Crayola crayons called Metallic FX, the colors of which were formulated by Crayola in 2001.

The color garnet can be considered a dark tone of red, with some slight purple tints.

It is the shade of red used in the flags of Chile and South Africa.

National flag | South African Government Vermilion (sometimes spelled vermillion) is both a brilliant red or scarlet pigment, originally made from the powdered mineral cinnabar (see § Cinnabar).

It was widely used in the art and decoration of Ancient Rome, in the illuminated manuscripts of the Middle Ages, in the paintings of the Renaissance, as sindoor, an Indian cosmetic powder, and in the art and lacquerware of China.

The web color misty rose is written as mistyrose in HTML code for computer display.

Turkey red is a color that was widely used to dye cotton in the 18th and 19th centuries.

It was made using the root of the Rubia plant, through a long and laborious process.

The complementary color of coral pink is teal[citation needed].

[41] The color of blood red ranges from crimson to a dark brown-red and may have a slightly orange hue.

This color is popular in interior design for painting bedrooms, especially among women.

[8]Scarlet is a bright red with a slightly orange tinge.

According to surveys in Europe and the United States, scarlet and other bright shades of red are the colors most associated with courage, force, passion, heat, and joy.

[51] In the Roman Catholic Church, scarlet is the color worn by cardinals, and is associated with the blood of Christ and the Christian martyrs, and with sacrifice.

The color was formulated by Crayola in 1994 as part of their Gem Tones crayon set.

To stop this, the red paint was thickened and mixed with buttermilk.

When the heat of the funnel interacted with the buttermilk within the mixture, however, the red paint changed in colour and became a distinctive red-orange.