Color information
#21FFFF (or 0x21FFFF) is unknown color: approx Aqua. HEX triplet: 21, FF and FF. RGB value is (33,255,255). Sum of RGB (Red+Green+Blue) = 33+255+255=543 (71% of max value = 765). Red value is 33 (13.28% from 255 or 6.08% from 543); Green value is 255 (100% from 255 or 46.96% from 543); Blue value is 255 (100% from 255 or 46.96% from 543); Max value from RGB is 255 - color contains mainly: green, blue. Hex color #21FFFF is not a web safe color. Web safe color analog (approx): #33FFFF. Inversed color of #21FFFF is #DE0000. Grayscale: #BCBCBC. Windows color (decimal): -14548993 or 16776993. OLE color: 16776993.
HSL color Cylindrical-coordinate representation of color #21FFFF: hue angle of 180º 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 #21FFFF is Cyan = 0.87, Magento = 0, Yellow = 0 and Black (K on CMYK) = 0.