240215 1L2L0X0F_K2710.KTS/YEklEIN.KTS, http://farbe.li.tu-berlin.de/eeks.htm or http://color.li.tu-berlin.de/eeks.htm

For links to the Section 2, Chapter E Colour Metrics, Differences, and Appearance (2023), see
For this image page with 10 colour series, see eeks in English, egks in German.
For the previous image page, see eejs in English, egjs in German.
For the next image page, see eels in English, egls in German.
For the first image page of the previous chapter D, see DEAS in English, DGAS in German.
For the first image page of the next chapter F (under work), see feas in English, fgas in German.

Content list of chapter E: eea_i in English or ega_i in German.
Summary of chapter E: eea_s in English or ega_s in German.
For the large image page of chapter E with 260 colour series, see ee2s in English or eg2s in German.

Section 2, Chapter E
Colour Metrics, Differences, and Appearance (2023), Image part eeks

Title: Equally spaced 9 step grey scales according to CIELAB for four display reflections
Yref=3,6, 1,8, 0,9, (90, 108, 126, 180, 54) on ten pages
1. Introduction and goals.
2. Five lightness and tristimulus value ranges
between black N and white W.
3. delta L*N to L*W: 22,3_96, 20_103, 18,2_109,3, 14,4_125, 29,4_78,5.
4. delta YN to YW: 3,6_90, 3,0_108, 2,6_126, 1,8_180, 6_54.
5. with regularity index g* according to ISO/IEC 15775:2022, annex G.
6. Discussion of gamma values for different ranges.

The following ten pages eek0 to eek9 of this chapter
show the content with links to the single figures in up to six formats.


Figure eek0l0n1.jpg: Output in format A6 of the file eek0l0np.pdf, see
eek0l0n1. ps / txt / pdf / jpg

eek0: TUB-test chart eek0; CIELAB spaced 9 step grey scales
for four display reflections Yref=3,6, 0,9, 1,8, 90
L*N=22,3 or YN=3,6 and L*W=96 or YW=90, normalisation: white W



Figure eek1l0n1.jpg: Output in format A6 of the file eek1l0np.pdf, see
eek1l0n1. ps / txt / pdf / jpg

eek1: TUB-test chart eek1; CIELAB spaced 9 step grey scales
for four display reflections Yref=3,6, 0,9, 1,8, 90
L*N=22,3 or YN=3,6 and L*W=96 or YW=90, normalisation: grey U



Figure eek2l0n1.jpg: Output in format A6 of the file eek2l0np.pdf, see
eek2l0n1. ps / txt / pdf / jpg

eek2: TUB-test chart eek2; CIELAB spaced 9 step grey scales
for four display reflections Yref=3,6, 0,9, 1,8, 108
L*N=20 or YN=3 and L*W=103 or YW=108, normalisation: white W



Figure eek3l0n1.jpg: Output in format A6 of the file eek3l0np.pdf, see
eek3l0n1. ps / txt / pdf / jpg

eek3: TUB-test chart eek3; CIELAB spaced 9 step grey scales
for four display reflections Yref=3,6, 0,9, 1,8, 108
L*N=20 or YN=3 and L*W=103 or YW=108, normalisation: grey U



Figure eek4l0n1.jpg: Output in format A6 of the file eek4l0np.pdf, see
eek4l0n1. ps / txt / pdf / jpg

eek4: TUB-test chart eek4; CIELAB spaced 9 step grey scales
for four display reflections Yref=3,6, 0,9, 1,8, 126
L*N=18,2 or YN=2,6 and L*W=109 or YW=126, normalisation: white W



Figure eek5l0n1.jpg: Output in format A6 of the file eek5l0np.pdf, see
eek5l0n1. ps / txt / pdf / jpg

eek5: TUB-test chart eek5; CIELAB spaced 9 step grey scales
for four display reflections Yref=3,6, 0,9, 1,8, 126
L*N=18,2 or YN=2,6 and L*W=109 or YW=126, normalisation: grey U



Figure eek6l0n1.jpg: Output in format A6 of the file eek6l0np.pdf, see
eek6l0n1. ps / txt / pdf / jpg

eek6: TUB-test chart eek6; CIELAB spaced 9 step grey scales
for four display reflections Yref=3,6, 0,9, 1,8, 180
L*N=14 or YN=1,8 and L*W=125,1 or YW=180, normalisation: white W



Figure eek7l0n1.jpg: Output in format A6 of the file eek7l0np.pdf, see
eek7l0n1. ps / txt / pdf / jpg

eek7: TUB-test chart eek7; CIELAB spaced 9 step grey scales
for four display reflections Yref=3,6, 0,9, 1,8, 180
L*N=14 or YN=1,8 and L*W=125,1 or YW=180, normalisation: grey U



Figure eek8l0n1.jpg: Output in format A6 of the file eek8l0np.pdf, see
eek8l0n1. ps / txt / pdf / jpg

eek8: TUB-test chart eek8; CIELAB spaced 9 step grey scales
for four display reflections Yref=3,6, 0,9, 1,8, 54
L*N=29,4 or YN=6 and L*W=78,5 or YW=54, normalisation: white W



Figure eek9l0n1.jpg: Output in format A6 of the file eek9l0np.pdf, see
eek9l0n1. ps / txt / pdf / jpg

eek9: TUB-test chart eek9; CIELAB spaced 9 step grey scales
for four display reflections Yref=3,6, 0,9, 1,8, 54
L*N=29,4 or YN=6 and L*W=78,5 or YW=54, normalisation: grey U

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For the archive information (2000-2009) of the BAM server "www.ps.bam.de" (2000-2018)
about colour test charts, colorimetric calculations, standards, and publications, see
indexAE.html in English, indexAG.html in German.

Back to the main page of this TUB web site (NOT archive), see index.html in English, indexDE.html in German.