#51565F (or 0x51565F) is unknown color: approx Bright Grey. HEX triplet: 51, 56 and 5F. RGB value is (81,86,95). Sum of RGB (Red+Green+Blue) = 81+86+95=262 (34% of max value = 765). Red value is 81 (32.03% from 255 or 30.92% from 262); Green value is 86 (33.98% from 255 or 32.82% from 262); Blue value is 95 (37.5% from 255 or 36.26% from 262); Max value from RGB is 95 - color contains mainly: blue. Hex color #51565F is not a web safe color. Web safe color analog (approx): #666666. Inversed color of #51565F is #AEA9A0. Grayscale: #555555. Windows color (decimal): -11446689 or 6248017. OLE color: 6248017.
HSL color Cylindrical-coordinate representation of color #51565F: hue angle of 218.57º degrees, saturation: 0.08, lightness: 0.35%. HSV value (or HSB Brightness) of color is 0.37% and HSV saturation: 0.15%. Process color model (Four color, CMYK) of #51565F is Cyan = 0.15, Magento = 0.09, Yellow = 0 and Black (K on CMYK) = 0.63.
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<style> a { background-color: #51565F; } a { background-color: rgb(81,86,95); } div.DivClassName { background-color: #51565F; } .BgClassName { background-color: #51565F; } </style>
<style> span { border-color: #51565F; } span { border-color: rgb(81,86,95); } td.TdClassName { border-color: #51565F; } .TagClassName { border-color: #51565F; } </style>