While working on a Max for Live device that assigns colors to things in Ableton, I extracted the full palette of colors that you can assign. Thought I'd make a little reference page with them in case someone else finds it useful for anything!
Hex Codes
ff94a6
ffa529
cc9927
f7f47c
bffb00
1aff2f
25ffa8
5cffe8
8bc5ff
5480e4
92a7ff
d86ce4
e553a0
ffffff
ff3636
f66c03
99724b
fff034
87ff67
3dc300
00bfaf
19e9ff
10a4ee
007dc0
886ce4
b677c6
ff39d4
d0d0d0
e2675a
ffa374
d3ad71
edffae
d2e498
bad074
9bc48d
d4fde1
cdf1f8
b9c1e3
cdbbe4
ae98e5
e5dce1
a9a9a9
c6928b
b78256
99836a
bfba69
a6be00
7db04d
88c2ba
9bb3c4
85a5c2
8393cc
a595b5
bf9fbe
bc7196
7b7b7b
af3333
a95131
724f41
dbc300
85961f
539f31
0a9c8e
236384
1a2f96
2f52a2
624bad
a34bad
cc2e6e
3c3c3c
Color Index
To set colors of objects in Ableton via Max for Live you can set the color_index property to one of these numbers:
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69