Table 2.

The Pearson correlation between parameters of flower color and content of pigments at full flowering stage.

CIELab coordinate	All cultivars		Yellowish-white cluster		Orange-red cluster
	TCs	TFs	TCs	TFs	TCs	TFs
RHSCC	0.862∗∗	–0.456∗	0.659∗∗	–0.027	0.899∗∗	–0.245
L∗	–0.918∗∗	0.489∗	–0.686∗∗	–0.073	–0.914∗∗	0.611
a∗	0.901∗∗	–0.479∗	0.740∗∗	0.089	0.916∗∗	–0.617
b∗	–0.267	0.175	0.146	–0.085	–0.056	0.490
C∗	0.713∗∗	–0.374	0.209	–0.087	0.690	–0.120
h/O	0.224	–0.017	0.613∗	0.135	–0.759∗	0.773∗

^∗Correlation is significant at the 0.05 level. ^∗∗Correlation is significant at the 0.01 level.