Essential oil type (T)	Essential oil level (L), %				Mean
Essential oil type (T)	0	2	4	6	Mean
	Thickness, mm
Oregano	0.22	0.31	0.31	0.32	0.29
Rosemary	0.22	0.27	0.29	0.31	0.27
Mean¹	0.22^b	0.29^a	0.30^a	0.31^a
	L*
Oregano	84.2^Bc	85.1^Bab	85.5^Ba	84.8^Bb	84.9
Rosemary	87.0^Ab	87.3^Aab	87.5^Aa	87.6^Aa	87.3
Mean	85.6	86.2	86.5	86.2
	a*
Oregano	−0.31^Ba	−1.00^d	−0.84^c	−0.39^Bb	−0.63
Rosemary	−0.83^Aa	−0.97^bc	−0.90^ab	−0.99^Ac	−0.92
Mean	−0.57	−0.98	−0.87	−0.69
	b*
Oregano	6.3^Bd	10.1^c	11.3^Ab	16.1^Aa	11.0
Rosemary	9.3^Ab	10.3^a	10.1^Ba	10.2^Ba	10.0
Mean	7.8	10.2	10.7	13.1
	Chroma
Oregano	6.4^Bd	10.1^c	11.3^Ab	16.2^Aa	11.0
Rosemary	9.4^Ab	10.2^a	10.4^Ba	10.7^Ba	10.2
Mean	7.9	10.2	10.8	13.5
	Hue angle
Oregano	92.4^Bc	95.4^a	94.2^Bb	91.1^Bd	93.3
Rosemary	95.5^A	95.4	95.7^A	95.8^A	95.6
Mean	93.9	95.4	94.9	93.4
	Opacity
Oregano	42.3^Bd	50.8^Bc	52.3^Bb	62.3^Ba	51.9
Rosemary	62.5^Ad	64.5^Ac	65.7^Ab	68.3^Aa	65.3
Mean	52.4	57.7	59.0	65.3
	ΔE
Oregano	5.23^Bd	7.55^c	8.86^Ab	13.56^Aa	8.80
Rosemary	6.87^Ab	7.29^b	7.56^Bab	8.14^Ba	7.46
Mean	6.05	7.42	8.21	10.85