#21A18B (or 0x21A18B) is unknown color: approx Niagara. HEX triplet: 21, A1 and 8B. RGB value is (33,161,139). Sum of RGB (Red+Green+Blue) = 33+161+139=333 (44% of max value = 765). Red value is 33 (13.28% from 255 or 9.91% from 333); Green value is 161 (63.28% from 255 or 48.35% from 333); Blue value is 139 (54.69% from 255 or 41.74% from 333); Max value from RGB is 161 - color contains mainly: green. Hex color #21A18B is not a web safe color. Web safe color analog (approx): #339999. Inversed color of #21A18B is #DE5E74. Grayscale: #787878. Windows color (decimal): -14573173 or 9150753. OLE color: 9150753.
HSL color Cylindrical-coordinate representation of color #21A18B: hue angle of 169.69º degrees, saturation: 0.66, lightness: 0.38%. HSV value (or HSB Brightness) of color is 0.63% and HSV saturation: 0.8%. Process color model (Four color, CMYK) of #21A18B is Cyan = 0.80, Magento = 0, Yellow = 0.14 and Black (K on CMYK) = 0.37.
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