I'd like to apologise

I'd like to apologise
Builder68

Who solved: 5

Who tried, but not solved: 7

All challenges of Builder68

71...
Builder68
70!
Builder68
69...
Builder68
68...
Builder68
67...
Builder68
66...
Builder68
65...
Builder68
Verthousand
Builder68
Vermillion
Builder68
Verbilion
Builder68
50
Builder68
Builder68
Builder68
Builder68
Builder68
_
Builder68
Builder68
210 colors
Builder68
123 colors
Builder68
135 colors
Builder68
100 colors
Builder68
200 colors
Builder68
Me
Builder68
Hyperium10334
Builder68
6'7
Builder68
Balance
Builder68
Average
Builder68
Close
Cadmium Yellow Light
Cadmium Red Light
Ultramarine Blue
Titanium White
Carbon Black