#81371F (or 0x81371F) is unknown color: approx Burnt Umber. HEX triplet: 81, 37 and 1F. RGB value is (129,55,31). Sum of RGB (Red+Green+Blue) = 129+55+31=215 (28% of max value = 765). Red value is 129 (50.78% from 255 or 60% from 215); Green value is 55 (21.88% from 255 or 25.58% from 215); Blue value is 31 (12.5% from 255 or 14.42% from 215); Max value from RGB is 129 - color contains mainly: red. Hex color #81371F is not a web safe color. Web safe color analog (approx): #993333. Inversed color of #81371F is #7EC8E0. Grayscale: #4A4A4A. Windows color (decimal): -8308961 or 2045825. OLE color: 2045825.
HSL color Cylindrical-coordinate representation of color #81371F: hue angle of 14.69º degrees, saturation: 0.61, lightness: 0.31%. HSV value (or HSB Brightness) of color is 0.51% and HSV saturation: 0.76%. Process color model (Four color, CMYK) of #81371F is Cyan = 0, Magento = 0.57, Yellow = 0.76 and Black (K on CMYK) = 0.49.
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<style> a { background-color: #81371F; } a { background-color: rgb(129,55,31); } div.DivClassName { background-color: #81371F; } .BgClassName { background-color: #81371F; } </style>
<style> span { border-color: #81371F; } span { border-color: rgb(129,55,31); } td.TdClassName { border-color: #81371F; } .TagClassName { border-color: #81371F; } </style>