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紅色

Also known as red color, color red

顏色

AI overview

Red is a color of light at the long wavelength end of the visible spectrum, with wavelengths between 625 and 750 nanometers, and it appears opposite violet. It matters in color science and technology because it functions as a primary color in the RGB color model used by light-based devices and as a secondary color in the CMYK model used in printing.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Color.caption: Clockwise, from top left: fresh strawberries; Northern cardinal; Magdalena Frąckowiak wearing a red dress at Paris Fashion Week; Honor guard of Chinese People's Liberation Army holding red flags; Cardinal Théodore-Adrien Sarr, Archbishop of Dakar.
Color.hex: FF0000
Color.wavelength: Approx. 625–740
Color.frequency: ~480–400
Color.source: X11
Color.cmyk: (0, 100, 100, 0)
Color.c: 0
Color.m: 100
Color.y: 100
Color.k: 0
Color.title: Red