Orangered

Orangered is a named color in the X11 color set that is commonly used in web design as a vivid orange-red. In CSS and HTML it is defined by the hex value #FF4500, which corresponds to RGB (255, 69, 0). In the HSL color model it is approximately hsl(16, 100%, 50%), placing it on the orange-red region of the color wheel.

Origin and standards: Orangered originates from the X11 color names, a collection of color values that influenced the CSS Color Module standards. It is one of the widely supported named colors in modern web browsers and is defined in the sRGB color space. The keyword form orangered can be used directly in CSS, as in color: orangered or background-color: orangered.

Usage and perception: Orangered is a bright, attention-grabbing color often used for emphasis, warnings, and call-to-action elements. Because of its high luminance and saturation, it provides strong contrast against many backgrounds, but designers should test accessibility and contrast with representative content and consider user color vision differences.

Related colors: Orangered sits between red and orange on the color spectrum. Related named colors include red (#FF0000), orange (#FFA500), tomato (#FF6347), and darkorange (#FF8C00). These alternatives offer different levels of brightness and hue for design variation.

See also: CSS color names, X11 color names, web color standards.