#666C63 (or 0x666C63) is unknown color: approx Axolotl. HEX triplet: 66, 6C and 63. RGB value is (102,108,99). Sum of RGB (Red+Green+Blue) = 102+108+99=309 (40% of max value = 765). Red value is 102 (40.23% from 255 or 33.01% from 309); Green value is 108 (42.58% from 255 or 34.95% from 309); Blue value is 99 (39.06% from 255 or 32.04% from 309); Max value from RGB is 108 - color contains mainly: green. Hex color #666C63 is not a web safe color. Web safe color analog (approx): #666666. Inversed color of #666C63 is #99939C. Grayscale: #696969. Windows color (decimal): -10064797 or 6515814. OLE color: 6515814.
HSL color Cylindrical-coordinate representation of color #666C63: hue angle of 100º degrees, saturation: 0.04, lightness: 0.41%. HSV value (or HSB Brightness) of color is 0.42% and HSV saturation: 0.08%. Process color model (Four color, CMYK) of #666C63 is Cyan = 0.06, Magento = 0, Yellow = 0.08 and Black (K on CMYK) = 0.58.
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<style> a { background-color: #666C63; } a { background-color: rgb(102,108,99); } div.DivClassName { background-color: #666C63; } .BgClassName { background-color: #666C63; } </style>
<style> span { border-color: #666C63; } span { border-color: rgb(102,108,99); } td.TdClassName { border-color: #666C63; } .TagClassName { border-color: #666C63; } </style>