#66647B (or 0x66647B) is unknown color: approx Comet. HEX triplet: 66, 64 and 7B. RGB value is (102,100,123). Sum of RGB (Red+Green+Blue) = 102+100+123=325 (43% of max value = 765). Red value is 102 (40.23% from 255 or 31.38% from 325); Green value is 100 (39.45% from 255 or 30.77% from 325); Blue value is 123 (48.44% from 255 or 37.85% from 325); Max value from RGB is 123 - color contains mainly: blue. Hex color #66647B is not a web safe color. Web safe color analog (approx): #666666. Inversed color of #66647B is #999B84. Grayscale: #676767. Windows color (decimal): -10066821 or 8086630. OLE color: 8086630.
HSL color Cylindrical-coordinate representation of color #66647B: hue angle of 245.22º degrees, saturation: 0.1, lightness: 0.44%. HSV value (or HSB Brightness) of color is 0.48% and HSV saturation: 0.19%. Process color model (Four color, CMYK) of #66647B is Cyan = 0.17, Magento = 0.19, Yellow = 0 and Black (K on CMYK) = 0.52.
<style> p { color: #66647B; } p { color: rgb(102,100,123); } H1.HeaderClassName { color: #66647B; } .AnyTagClassName { color: #66647B; } </style>
<style> a { background-color: #66647B; } a { background-color: rgb(102,100,123); } div.DivClassName { background-color: #66647B; } .BgClassName { background-color: #66647B; } </style>
<style> span { border-color: #66647B; } span { border-color: rgb(102,100,123); } td.TdClassName { border-color: #66647B; } .TagClassName { border-color: #66647B; } </style>