[RESOLVED] Does anyone recognise this colour format?

[The-Master]

I am working on a project which requires my php script to retrieve colour codes sent by a flash file and then use them to draw a picture. Unfortunately I have no control over the flash file and it is hosted on a different site. It sends many variables, but I don't understand the colour variable. It doesn't appear to be RGB or HEX so I don't know what else it could be. Here are some examples of what the codes are:

0 = black
16777215 = white (this is one less than 256³ which is strange...)
3355443 = #333333
6710886 = #666666
10066329 = #999999
13421772 = #ff0000

Thanks in advance. If you need more colours just ask. 🙂

[NogDog]

...this is one less than 256³ which is strange...

That probably should have given you a clue. Just pop any of those numbers into you calculator, then convert it to hexadecimal. (I.e., they are the decimal equivalent of the hexadecimal values on the right.)

[The-Master]

Ha! No I didn't have a clue! Thanks very much for the help though.