#663F21 (or 0x663F21) is unknown color: approx Dark Brown. HEX triplet: 66, 3F and 21. RGB value is (102,63,33). Sum of RGB (Red+Green+Blue) = 102+63+33=198 (26% of max value = 765). Red value is 102 (40.23% from 255 or 51.52% from 198); Green value is 63 (25% from 255 or 31.82% from 198); Blue value is 33 (13.28% from 255 or 16.67% from 198); Max value from RGB is 102 - color contains mainly: red. Hex color #663F21 is not a web safe color. Web safe color analog (approx): #663333. Inversed color of #663F21 is #99C0DE. Grayscale: #474747. Windows color (decimal): -10076383 or 2178918. OLE color: 2178918.
HSL color Cylindrical-coordinate representation of color #663F21: hue angle of 26.09º degrees, saturation: 0.51, lightness: 0.26%. HSV value (or HSB Brightness) of color is 0.4% and HSV saturation: 0.68%. Process color model (Four color, CMYK) of #663F21 is Cyan = 0, Magento = 0.38, Yellow = 0.68 and Black (K on CMYK) = 0.6.
<style> p { color: #663F21; } p { color: rgb(102,63,33); } H1.HeaderClassName { color: #663F21; } .AnyTagClassName { color: #663F21; } </style>
<style> a { background-color: #663F21; } a { background-color: rgb(102,63,33); } div.DivClassName { background-color: #663F21; } .BgClassName { background-color: #663F21; } </style>
<style> span { border-color: #663F21; } span { border-color: rgb(102,63,33); } td.TdClassName { border-color: #663F21; } .TagClassName { border-color: #663F21; } </style>