Transparent ARGB hex value

Transparency is controlled by the alpha channel (AA in #AARRGGBB). Maximal value (255 dec, FF hex) means fully opaque. Minimum value (0 dec, 00 hex) means fully transparent. Values in between are semi-transparent, i.e. the color is mixed with the background color.

To get a fully transparent color set the alpha to zero. RRGG and BB are irrelevant in this case because no color will be visible. This means #00FFFFFF (“transparent White”) is the same color as #00F0F8FF (“transparent AliceBlue”). To keep it simple one chooses black (#00000000) or white (#00FFFFFF) if the color does not matter.

In the table you linked to you’ll find Transparent defined as #00FFFFFF.

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