#191921 (or 0x191921) is unknown color: approx Black Russian. HEX triplet: 19, 19 and 21. RGB value is (25,25,33). Sum of RGB (Red+Green+Blue) = 25+25+33=83 (10% of max value = 765). Red value is 25 (10.16% from 255 or 30.12% from 83); Green value is 25 (10.16% from 255 or 30.12% from 83); Blue value is 33 (13.28% from 255 or 39.76% from 83); Max value from RGB is 33 - color contains mainly: blue. Hex color #191921 is not a web safe color. Web safe color analog (approx): #000033. Inversed color of #191921 is #E6E6DE. Grayscale: #191919. Windows color (decimal): -15132383 or 2169113. OLE color: 2169113.
HSL color Cylindrical-coordinate representation of color #191921: hue angle of 240º degrees, saturation: 0.14, lightness: 0.11%. HSV value (or HSB Brightness) of color is 0.13% and HSV saturation: 0.24%. Process color model (Four color, CMYK) of #191921 is Cyan = 0.24, Magento = 0.24, Yellow = 0 and Black (K on CMYK) = 0.87.
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<style> span { border-color: #191921; } span { border-color: rgb(25,25,33); } td.TdClassName { border-color: #191921; } .TagClassName { border-color: #191921; } </style>