#645D72 (or 0x645D72) is unknown color: approx Smoky. HEX triplet: 64, 5D and 72. RGB value is (100,93,114). Sum of RGB (Red+Green+Blue) = 100+93+114=307 (40% of max value = 765). Red value is 100 (39.45% from 255 or 32.57% from 307); Green value is 93 (36.72% from 255 or 30.29% from 307); Blue value is 114 (44.92% from 255 or 37.13% from 307); Max value from RGB is 114 - color contains mainly: blue. Hex color #645D72 is not a web safe color. Web safe color analog (approx): #666666. Inversed color of #645D72 is #9BA28D. Grayscale: #616161. Windows color (decimal): -10199694 or 7495012. OLE color: 7495012.
HSL color Cylindrical-coordinate representation of color #645D72: hue angle of 260º degrees, saturation: 0.1, lightness: 0.41%. HSV value (or HSB Brightness) of color is 0.45% and HSV saturation: 0.18%. Process color model (Four color, CMYK) of #645D72 is Cyan = 0.12, Magento = 0.18, Yellow = 0 and Black (K on CMYK) = 0.55.
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