#21B290 (or 0x21B290) is unknown color: approx Niagara. HEX triplet: 21, B2 and 90. RGB value is (33,178,144). Sum of RGB (Red+Green+Blue) = 33+178+144=355 (47% of max value = 765). Red value is 33 (13.28% from 255 or 9.30% from 355); Green value is 178 (69.92% from 255 or 50.14% from 355); Blue value is 144 (56.64% from 255 or 40.56% from 355); Max value from RGB is 178 - color contains mainly: green. Hex color #21B290 is not a web safe color. Web safe color analog (approx): #339999. Inversed color of #21B290 is #DE4D6F. Grayscale: #828282. Windows color (decimal): -14568816 or 9482785. OLE color: 9482785.
HSL color Cylindrical-coordinate representation of color #21B290: hue angle of 165.93º degrees, saturation: 0.69, lightness: 0.41%. HSV value (or HSB Brightness) of color is 0.7% and HSV saturation: 0.81%. Process color model (Four color, CMYK) of #21B290 is Cyan = 0.81, Magento = 0, Yellow = 0.19 and Black (K on CMYK) = 0.30.
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