1. - orange white green - cyan - red - blue Example 1 24 bit RGB
237, 132, 30
255, 255, 255
120, 248, 254
232, 68, 21
0, 59, 250
- orange
white
green
- cyan
- red
- blue
67, 139, 23
Example 1
24 bit RGB
orange | white | green | cyan | cyan |
cyan | red | orange | white | red |
white | blue
237, 132, 30 | 255, 255, 255 | 67, 139, 23 | 120, 248, 254 | 120, 248, 254 |
120, 248, 254 | 232, 68, 21 | 237, 132, 30 | 255, 255, 255 | 232, 68, 21 |
255, 255, 255 | 0, 59, 250
36 bytes total (excluding any header)

2. - orange white green Example 1 - cyan 24 bit RGB - red
237, 132, 30
255, 255, 255
120, 248, 254
232, 68, 21
0, 59, 250
- orange
white
green
- cyan
- red
- blue
67, 139, 23
Example 1
24 bit RGB
Run length encoding
RLE
1 byte for the count
1 orange | 1 white | 1 green | 3 cyan | 1 red | 1 orange | 1 white | 1 red |
1 white | 1 blue
1 237, 132, 30 | 1 255, 255, 255 | 1 67, 139, 23 | 3 120, 248, 254 |
1 232, 68, 21 | 1 237, 132, 30 | 1 255, 255, 255 | 1 232, 68, 21 |
1 255, 255, 255 | 1 0, 59, 250
40 bytes total (excluding any header)
notice that in this case, the RLE is larger than the 24 bit RGB

3. bitmapped portion: 36 bits/8 = 4 bytes
237, 132, 30
255, 255, 255
120, 248, 254
232, 68, 21
0, 59, 250
- orange
white
green
- cyan
- red
- blue
67, 139, 23
Example 1
24 Bit RGB
Table encoding
237, 132, 30
- 000
001
010
- 011
- 100
- 101
255, 255, 255
67, 139, 23
120, 248, 254
color table: 18 bytes
232, 68, 21
0, 59, 250
bitmapped portion: 36 bits/8 = 4 bytes
Total: = 22 bytes
(excluding any header)

5. - red orange white - blue Example 2 24 bit RGB 232, 68, 21
237, 132, 30
0, 59, 250
- red
orange
white
- blue
255, 255, 255
Example 2
24 bit RGB
red | orange | white | white | white |
red | white | blue | blue |
red | white | white | white
232, 68, 21 | 237, 132, 30 | 255, 255, 255 | 255, 255, 255 | 232, 68, 21 |
255, 255, 255 | 0, 59, 250 | 0, 59, 250 | 232, 68, 21 | 255, 255, 255 |
255, 255, 255 | 255, 255, 255 |
36 bytes total (excluding any header)

6. - red orange white - blue Example 2 24 bit RGB Run length encoding RLE
232, 68, 21
237, 132, 30
0, 59, 250
- red
orange
white
- blue
255, 255, 255
Example 2
24 bit RGB
Run length encoding
RLE
1 byte count
1 red | 1 orange | 2 white | 1 red | 1 white | 2 blue | 1 red | 3 white |
1 232, 68, 21 | 1 237, 132, 30 | 2 255, 255, 255 | 1 232, 68, 21 |
1 255, 255, 255 | 2 0, 59, 250 | 1 232, 68, 21 | 3 255, 255, 255 |
32 bytes total (excluding any header)

7. bitmapped portion: 24 bits = 3 bytes
232, 68, 21
237, 132, 30
0, 59, 250
- red
orange
white
- blue
255, 255, 255
Example 2
Table encoding
232, 68, 21
- 00 01 10
- 11
237, 132, 30
color table: 12 bytes
255, 255, 255
0, 59, 250
bitmapped portion: 24 bits = 3 bytes
Total: = 15 bytes
(excluding any header)

9. orange white - cyan Example 3 24 bit RGB 237, 132, 30 255, 255, 255
120, 248, 254
orange
white
- cyan
255, 255, 255
Example 3
24 bit RGB
orange | orange | white |
orange | cyan | cyan |
orange | cyan | orange
237, 132, 30 | 237, 132, 30 | 255, 255, 255 | 237, 132, 30 | 120, 248, 254 |
120, 248, 254 | 237, 132, 30 | 120, 248, 254 | 237, 132, 30
27 bytes total (excluding any header)

10. orange white - cyan Example 3 24 bit RGB Run length encoding RLE
237, 132, 30
120, 248, 254
orange
white
- cyan
255, 255, 255
Example 3
24 bit RGB
Run length encoding
RLE
1 byte count
2 orange | 1 white | 1 orange | 2 cyan | 1 orange | 1 cyan | 1 orange
2 237, 132, 30 | 1 255, 255, 255 | 1 237, 132, 30 | 2 120, 248, 254 |
1 237, 132, 30 | 1 120, 248, 254 | 1 237, 132, 30
28 bytes total (excluding any header)

11. bitmapped portion: 18 bits / 8 = 3 bytes
237, 132, 30
120, 248, 254
orange
white
- cyan
255, 255, 255
Example 3
24 bit RGB
Table encoding
237, 132, 30 00 01 10
255, 255, 255
color table: 9 bytes
120, 248, 254
bitmapped portion: 18 bits / 8 = 3 bytes
Total: = 12 bytes
(excluding any header)

13. bitmapped portion: 48 bits/8 = 6 bytes
237, 132, 30
255, 255, 255
120, 248, 254
232, 68, 21
0, 59, 250
- orange
white
green
- cyan
- red
- blue
67, 139, 23
Example 4
24 bit RGB
Table Encoding
237, 132, 30
- 000
001
010
- 011
- 100
- 101
255, 255, 255
67, 139, 23
120, 248, 254
color table: 18 bytes
232, 68, 21
0, 59, 250
bitmapped portion: 48 bits/8 = 6 bytes
Total: = 24 bytes
(excluding any header)

15. Table encoding, Special Case:
237, 132, 30
255, 255, 255
120, 248, 254
232, 68, 21
0, 59, 250
- orange
white
green
- cyan
- red
- blue
67, 139, 23
Example 4
24 bit RGB
Table Encoding
Special Case:
Limited to 4 colors
Example 4
24 bit RGB
Table encoding, Special Case:
6 colors in the image, only room for 4 colors in table
(table too small to carry all the colors)

16. (orange, there are 6 of these) (cyan, there are 3 of these)
237, 132, 30
255, 255, 255
120, 248, 254
232, 68, 21
0, 59, 250
- orange
white
green
- cyan
- red
- blue
67, 139, 23
Example 4
24 bit RGB
Table Encoding
Special Case:
Limited to 4 colors
Arrange colors in sequence from most frequently occurring to least frequent
237, 132, 30
120, 248, 254
255, 255, 255
232, 68, 21
67, 139, 23
0, 59, 250
(orange, there are 6 of these)
(cyan, there are 3 of these)
(white, there are 3 of these)
(red there are 2 of these)
(green)
(blue)
But the table only has room for 4 colors so we have to drop these two colors:

17. - 00 (orange, there are 6 of these) 01 (cyan, there are 3 of these)
237, 132, 30
255, 255, 255
120, 248, 254
232, 68, 21
0, 59, 250
- orange
white
green
- cyan
- red
- blue
67, 139, 23
Example 4
24 bit RGB
Table Encoding
Special Case:
Limited to 4 colors
Assign the color codes for the 4 colors:
237, 132, 30
120, 248, 254
255, 255, 255
232, 68, 21
- 00 (orange, there are 6 of these)
01 (cyan, there are 3 of these)
10 (white, there are 3 of these)
- 11 (red there are 2 of these)
color table:
12 bytes X? X?
Total: = bytes
(excluding any header)

18. - 00 (orange, there are 6 of these) 01 (cyan, there are 3 of these)
237, 132, 30
255, 255, 255
120, 248, 254
232, 68, 21
0, 59, 250
- orange
white
green
- cyan
- red
- blue
67, 139, 23
Example 4
24 bit RGB
Table Encoding
Special Case:
Limited to 4 colors
Assign the color codes for the 4 colors:
237, 132, 30
120, 248, 254
255, 255, 255
232, 68, 21
- 00 (orange, there are 6 of these)
01 (cyan, there are 3 of these)
10 (white, there are 3 of these)
- 11 (red there are 2 of these)
color table:
12 bytes

19. - 00 (orange, there are 6 of these) 01 (cyan, there are 3 of these)
237, 132, 30
255, 255, 255
120, 248, 254
232, 68, 21
0, 59, 250
- orange
white
green
- cyan
- red
- blue
67, 139, 23
Example 4
24 bit RGB
Table Encoding
Special Case:
Limited to 4 colors
Assign the color codes for the 4 colors:
237, 132, 30
120, 248, 254
255, 255, 255
232, 68, 21
- 00 (orange, there are 6 of these)
01 (cyan, there are 3 of these)
10 (white, there are 3 of these)
- 11 (red there are 2 of these)
color table:
12 bytes
bitmapped portion: 32 bits/8 = 4 bytes
Total: = 16 bytes
(excluding any header)