#217821 (or 0x217821) is unknown color: approx Forest Green. HEX triplet: 21, 78 and 21. RGB value is (33,120,33). Sum of RGB (Red+Green+Blue) = 33+120+33=186 (24% of max value = 765). Red value is 33 (13.28% from 255 or 17.74% from 186); Green value is 120 (47.27% from 255 or 64.52% from 186); Blue value is 33 (13.28% from 255 or 17.74% from 186); Max value from RGB is 120 - color contains mainly: green. Hex color #217821 is not a web safe color. Web safe color analog (approx): #336633. Inversed color of #217821 is #DE87DE. Grayscale: #545454. Windows color (decimal): -14583775 or 2193441. OLE color: 2193441.
HSL color Cylindrical-coordinate representation of color #217821: hue angle of 120º degrees, saturation: 0.57, lightness: 0.3%. HSV value (or HSB Brightness) of color is 0.47% and HSV saturation: 0.73%. Process color model (Four color, CMYK) of #217821 is Cyan = 0.72, Magento = 0, Yellow = 0.72 and Black (K on CMYK) = 0.53.
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