#669B81 (or 0x669B81) is unknown color: approx Patina. HEX triplet: 66, 9B and 81. RGB value is (102,155,129). Sum of RGB (Red+Green+Blue) = 102+155+129=386 (51% of max value = 765). Red value is 102 (40.23% from 255 or 26.42% from 386); Green value is 155 (60.94% from 255 or 40.16% from 386); Blue value is 129 (50.78% from 255 or 33.42% from 386); Max value from RGB is 155 - color contains mainly: green. Hex color #669B81 is not a web safe color. Web safe color analog (approx): #669999. Inversed color of #669B81 is #99647E. Grayscale: #888888. Windows color (decimal): -10052735 or 8493926. OLE color: 8493926.
HSL color Cylindrical-coordinate representation of color #669B81: hue angle of 150.57º degrees, saturation: 0.21, lightness: 0.5%. HSV value (or HSB Brightness) of color is 0.61% and HSV saturation: 0.34%. Process color model (Four color, CMYK) of #669B81 is Cyan = 0.34, Magento = 0, Yellow = 0.17 and Black (K on CMYK) = 0.39.
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