#645B21 (or 0x645B21) is unknown color: approx Costa Del Sol. HEX triplet: 64, 5B and 21. RGB value is (100,91,33). Sum of RGB (Red+Green+Blue) = 100+91+33=224 (29% of max value = 765). Red value is 100 (39.45% from 255 or 44.64% from 224); Green value is 91 (35.94% from 255 or 40.62% from 224); Blue value is 33 (13.28% from 255 or 14.73% from 224); Max value from RGB is 100 - color contains mainly: red. Hex color #645B21 is not a web safe color. Web safe color analog (approx): #666633. Inversed color of #645B21 is #9BA4DE. Grayscale: #575757. Windows color (decimal): -10200287 or 2186084. OLE color: 2186084.
HSL color Cylindrical-coordinate representation of color #645B21: hue angle of 51.94º degrees, saturation: 0.5, lightness: 0.26%. HSV value (or HSB Brightness) of color is 0.39% and HSV saturation: 0.67%. Process color model (Four color, CMYK) of #645B21 is Cyan = 0, Magento = 0.09, Yellow = 0.67 and Black (K on CMYK) = 0.61.
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