#FF3F21 (or 0xFF3F21) is unknown color: approx Red Orange. HEX triplet: FF, 3F and 21. RGB value is (255,63,33). Sum of RGB (Red+Green+Blue) = 255+63+33=351 (46% of max value = 765). Red value is 255 (100% from 255 or 72.65% from 351); Green value is 63 (25% from 255 or 17.95% from 351); Blue value is 33 (13.28% from 255 or 9.40% from 351); Max value from RGB is 255 - color contains mainly: red. Hex color #FF3F21 is not a web safe color. Web safe color analog (approx): #FF3333. Inversed color of #FF3F21 is #00C0DE. Grayscale: #757575. Windows color (decimal): -49375 or 2179071. OLE color: 2179071.
HSL color Cylindrical-coordinate representation of color #FF3F21: hue angle of 8.11º degrees, saturation: 1, lightness: 0.56%. HSV value (or HSB Brightness) of color is 1% and HSV saturation: 0.87%. Process color model (Four color, CMYK) of #FF3F21 is Cyan = 0, Magento = 0.75, Yellow = 0.87 and Black (K on CMYK) = 0.
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