Re: What Lab values for a yellow tonal scale?
Re: What Lab values for a yellow tonal scale?
- Subject: Re: What Lab values for a yellow tonal scale?
- From: "Bruce J. Lindbloom" <email@hidden>
- Date: Tue, 29 Jan 2002 10:12:15 -0600
Greg Staler wrote:
>
Can anyone provide standard L*a*b* measurements for a series of yellow
>
swatches that are 10%y, 20%y, 30%y, ... through 100%y?
The FOGRA IT8.7/3 (ISO 12647-2) data (best viewed with fixed spacing font):
Glossy Matte
Y L* a* b* L* a* b*
--- ----- ----- ----- ----- ----- -----
100 88.28 -4.97 94.76 87.32 -3.04 89.74
90 88.62 -5.29 85.09 87.75 -3.31 79.55
80 89.04 -5.26 73.88 88.30 -3.37 68.69
70 89.47 -5.14 64.56 88.79 -3.33 59.66
60 89.99 -4.93 55.34 89.28 -3.22 51.51
50 90.65 -4.58 44.26 90.01 -3.13 41.61
40 91.35 -3.85 32.82 90.70 -2.58 31.36
30 92.10 -3.01 22.67 91.36 -1.96 22.18
25 92.51 -2.58 17.74 91.80 -1.63 17.62
20 92.88 -2.12 12.84 92.23 -1.22 12.92
15 93.32 -1.60 8.18 92.60 -0.78 8.51
10 93.56 -1.19 4.72 92.86 -0.36 4.85
7 93.77 -0.79 1.78 93.10 -0.04 2.14
3 94.14 -0.18 -2.15 93.33 0.51 -1.47
0 94.18 0.15 -3.70 93.43 0.88 -3.02
--
Bruce J. Lindbloom
www.brucelindbloom.com