#FF2121 (or 0xFF2121) is unknown color: approx Scarlet. HEX triplet: FF, 21 and 21. RGB value is (255,33,33). Sum of RGB (Red+Green+Blue) = 255+33+33=321 (42% of max value = 765). Red value is 255 (100% from 255 or 79.44% from 321); Green value is 33 (13.28% from 255 or 10.28% from 321); Blue value is 33 (13.28% from 255 or 10.28% from 321); Max value from RGB is 255 - color contains mainly: red. Hex color #FF2121 is not a web safe color. Web safe color analog (approx): #FF3333. Inversed color of #FF2121 is #00DEDE. Grayscale: #636363. Windows color (decimal): -57055 or 2171391. OLE color: 2171391.
HSL color Cylindrical-coordinate representation of color #FF2121: hue angle of 0º degrees, saturation: 1, lightness: 0.56%. HSV value (or HSB Brightness) of color is 1% and HSV saturation: 0.87%. Process color model (Four color, CMYK) of #FF2121 is Cyan = 0, Magento = 0.87, Yellow = 0.87 and Black (K on CMYK) = 0.
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<style> a { background-color: #FF2121; } a { background-color: rgb(255,33,33); } div.DivClassName { background-color: #FF2121; } .BgClassName { background-color: #FF2121; } </style>
<style> span { border-color: #FF2121; } span { border-color: rgb(255,33,33); } td.TdClassName { border-color: #FF2121; } .TagClassName { border-color: #FF2121; } </style>