#21D8FF (or 0x21D8FF) is unknown color: approx Deep Sky Blue. HEX triplet: 21, D8 and FF. RGB value is (33,216,255). Sum of RGB (Red+Green+Blue) = 33+216+255=504 (66% of max value = 765). Red value is 33 (13.28% from 255 or 6.55% from 504); Green value is 216 (84.77% from 255 or 42.86% from 504); Blue value is 255 (100% from 255 or 50.60% from 504); Max value from RGB is 255 - color contains mainly: blue. Hex color #21D8FF is not a web safe color. Web safe color analog (approx): #33CCFF. Inversed color of #21D8FF is #DE2700. Grayscale: #A5A5A5. Windows color (decimal): -14558977 or 16767009. OLE color: 16767009.
HSL color Cylindrical-coordinate representation of color #21D8FF: hue angle of 190.54º 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 #21D8FF is Cyan = 0.87, Magento = 0.15, Yellow = 0 and Black (K on CMYK) = 0.
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<style> span { border-color: #21D8FF; } span { border-color: rgb(33,216,255); } td.TdClassName { border-color: #21D8FF; } .TagClassName { border-color: #21D8FF; } </style>