241001 1JL82A22(.KTT/G): http://farbe.li.tu-berlin.de/heo4/heo4.htm or http://color.li.tu-berlin.de/heo4/heo4.htm

For this page, see heo4 in English, hgo4 in German.
For the previous similar page, see heo3 in English, hgo3 in German.
For the next similar page, see heo5 in English, hgo5 in German.

For the corresponding image page with 10 colour series, see heos in English, hgos in German.
For the previous image page, see hens in English, hgns in German.
For the next image page, see heps in English, hgps in German.

TUB-test chart heo4; Formulae CIELAB (ISO/CIE 11664-4),
and colour difference TUBsRGB 2025, log & lin [lightness L*,
threshold delta_Y, sensitivity delta_Y/Y, contrast Y/delta_Y]

Figure heo4l0n1: Output layout of page 1 of the file heo4l0np.pdf with the format A6, see
heo4l0n1. ps / txt / jpg / pdf
and the format A4 in the following tables.

One page, orientation A4L, Intended for pdf output, No linearization or transfer	One page, orientation A4L, Intended for ps output, No linearization or transfer
heo4l0np. ps / txt / pdf / jpg	heo4l0na. ps / txt / pdf / jpg

Eight pictures with several pages (left side)	Eight pictures with several pages (right side)
heo40-1a. ps / txt / pdf / jpg heo40-2a. ps / txt / pdf / jpg heo40-3a. ps / txt / pdf / jpg heo40-4a. ps / txt / pdf / jpg heo40-5a. ps / txt / pdf / jpg heo40-6a. ps / txt / pdf / jpg heo40-7a. ps / txt / pdf / jpg heo40-8a. ps / txt / pdf / jpg	heo41-1a. ps / txt / pdf / jpg heo41-2a. ps / txt / pdf / jpg heo41-3a. ps / txt / pdf / jpg heo41-4a. ps / txt / pdf / jpg heo41-5a. ps / txt / pdf / jpg heo41-6a. ps / txt / pdf / jpg heo41-7a. ps / txt / pdf / jpg heo41-8a. ps / txt / pdf / pdf