#900B21 (or 0x900B21) is unknown color: approx Carmine. HEX triplet: 90, 0B and 21. RGB value is (144,11,33). Sum of RGB (Red+Green+Blue) = 144+11+33=188 (24% of max value = 765). Red value is 144 (56.64% from 255 or 76.60% from 188); Green value is 11 (4.69% from 255 or 5.85% from 188); Blue value is 33 (13.28% from 255 or 17.55% from 188); Max value from RGB is 144 - color contains mainly: red. Hex color #900B21 is not a web safe color. Web safe color analog (approx): #990033. Inversed color of #900B21 is #6FF4DE. Grayscale: #353535. Windows color (decimal): -7337183 or 2165648. OLE color: 2165648.
HSL color Cylindrical-coordinate representation of color #900B21: hue angle of 350.08º degrees, saturation: 0.86, lightness: 0.3%. HSV value (or HSB Brightness) of color is 0.56% and HSV saturation: 0.92%. Process color model (Four color, CMYK) of #900B21 is Cyan = 0, Magento = 0.92, Yellow = 0.77 and Black (K on CMYK) = 0.44.
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<style> a { background-color: #900B21; } a { background-color: rgb(144,11,33); } div.DivClassName { background-color: #900B21; } .BgClassName { background-color: #900B21; } </style>
<style> span { border-color: #900B21; } span { border-color: rgb(144,11,33); } td.TdClassName { border-color: #900B21; } .TagClassName { border-color: #900B21; } </style>