#21302F (or 0x21302F) is unknown color: approx Swamp. HEX triplet: 21, 30 and 2F. RGB value is (33,48,47). Sum of RGB (Red+Green+Blue) = 33+48+47=128 (16% of max value = 765). Red value is 33 (13.28% from 255 or 25.78% from 128); Green value is 48 (19.14% from 255 or 37.5% from 128); Blue value is 47 (18.75% from 255 or 36.72% from 128); Max value from RGB is 48 - color contains mainly: green. Hex color #21302F is not a web safe color. Web safe color analog (approx): #333333. Inversed color of #21302F is #DECFD0. Grayscale: #2B2B2B. Windows color (decimal): -14602193 or 3092513. OLE color: 3092513.
HSL color Cylindrical-coordinate representation of color #21302F: hue angle of 176º degrees, saturation: 0.19, lightness: 0.16%. HSV value (or HSB Brightness) of color is 0.19% and HSV saturation: 0.31%. Process color model (Four color, CMYK) of #21302F is Cyan = 0.31, Magento = 0, Yellow = 0.02 and Black (K on CMYK) = 0.81.
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