HEX
Each of the 6 HEX-values can be [0-9][A-F], which make up to 16 possibilities: (16x16, 16x16, 16x16) = (0-255, 0-255, 0-255).
DEC -> HEX
rgb(0,0,0) = #000000rgb(255,255,255) = #FFFFFF
Abbreviations
#000000 = #000#FFFFFF = #FFF#AA33BB = #A3B
Table
| Decimal | Binary | Hex |
|---|---|---|
| 0 | 0000 0000 | 0 |
| 1 | 0000 0001 | 1 |
| 2 | 0000 0010 | 2 |
| 3 | 0000 0011 | 3 |
| 4 | 0000 0100 | 4 |
| 5 | 0000 0101 | 5 |
| 6 | 0000 0110 | 6 |
| 7 | 0000 0111 | 7 |
| 8 | 0000 1000 | 8 |
| 9 | 0000 1001 | 9 |
| 10 | 0000 1010 | A |
| 11 | 0000 1011 | B |
| 12 | 0000 1100 | C |
| 13 | 0000 1101 | D |
| 14 | 0000 1110 | E |
| 15 | 0000 1111 | F |
| 16 | 0001 0000 | 10 (1+0) |
| 17 | 0001 0001 | 11 (1+1) |