Not sure of your question, but this was easy to find; http://en.wikipedia.org/wiki/RGB http://en.wikipedia.org/wiki/Web_colors
On Sat, Jan 3, 2009 at 1:42 AM, Darren <[email protected]> wrote: > Hello, > are there any commonly used formulae for converting : > 16bit RGB565(0.31, 0.63, 0.31) values > AND > 24bit RGB(0.255, 0.255, 0.255) values > > to their hexadecimal triplet equivalents that are used in the 8bit indexed > mode, (also commonly used for the HTML web pallet). > > > For instance; > the 8bit index colour 89 (palm blue original), when converted to RGB using > WinGetPixelRGB(), produces a value (0x33, 0x00, 0x99) > (note : all other indexed values are also sets of three twin hexadecimal > numbers.) > in 16bit mode for the same colour, WinGetPixelRGB(), > produces a value of (0x36, 0x00, 0x9B) which is probably within the scope > of the actual RGB565 value, see following note; > (Note: 16bits at 5bits+6bits+5bits = 32*64*32 possible colours, > RGB values are in the ranges 0.255, making a total of 255*255*255 possible > set of three numbers. > This means that for each real colour there are around 255 different > possible RGB values.) > > > Many thanks all help appreciated > Darren > > -- > For information on using the ACCESS Developer Forums, or to unsubscribe, > please see http://www.access-company.com/developers/forums/ > -- [Jeff Loucks, Gig Harbor, WA, USA] -- For information on using the ACCESS Developer Forums, or to unsubscribe, please see http://www.access-company.com/developers/forums/
