Title: Color Pairs

Source: Helm (1959)

Description: Distance estimates for 45 color pairs of ten colors. 
s6_1 and s6_2, and s12_1 and s12_2 are replications for one subject each.
Subjects s1 to s10 are color-normals, and s11 to s14 are color-deficient.

The colors are:

A	red-purple
C	red-orange
E	yellow
G	green-yellow-1
I	green-yellow-2
K	green
M	blue
O	purple-blue
Q	purple-2
S	purple-1

The color pairs are:

No.	Color Pair
1	AC
2	AE
3	AG
4	AI
5	AK
6	AM
7	AO
8	AQ
9	AS
10	CE
11	CG
12	CI
13	CK
14	CM
15	CO
16	CQ
17	CS
18	EG
19	EI
20	EK
21	EM
22	EO
23	EQ
24	ES
25	GI
26	GK
27	GM
28	GO
29	GQ
30	GS
31	IK
32	IM
33	IO
34	IQ
35	IS
36	KM
37	KO
38	KQ
39	KS
40	MO
41	MQ
42	MS
43	OQ
44	OS
45	QS