For links to the chapter A
* Colour Image Technology and Colour Management*, see

Content list of chapter A: AEA_I in English or AGA_I in German.

Summary of chapter A: AEA_S in English or AGA_S in German.

Example content part AEAI of 26 parts AEAI to AEZI: AEAI in English or AGAI in German.

Example images part AEAS of 26 parts AEAS to AEZS: AEAS in English or AGAS in German.

For links to the chapter B

Content list of chapter B: BEA_I in English or BGA_I in German.

Summary of chapter B: BEA_S in English or BGA_S in German.

Example content part BEAI of 26 parts BEAI to BEZI: BEAI in English or BGAI in German.

Example images part BEAS of 26 parts BEAS to BEZS: BEAS in English or BGAS in German.

For links to the chapter C

Content list of chapter C: CEA_I in English or CGA_I in German.

Summary of chapter C: CEA_S in English or CGA_S in German.

Example content part CEAI of 26 parts CEAI to CEZI: CEAI in English or CGAI in German.

Example images part CEAS of 26 parts CEAS to CEZS: CEAS in English or CGAS in German.

For links to the chapter D

Content list of chapter D: DEA_I in English or DGA_I in German.

Summary of chapter D: DEA_S in English or DGA_S in German.

Example content part DEAI of 26 parts DEAI to DEZI: DEAI in English or DGAI in German.

Example images part DEAS of 26 parts DEAS to DEZS: DEAS in English or DGAS in German.

**
Project title: Colour and colour vision with Ostwald, device, and elementary colours -
Antagonistic colour-vision model and properties for many applications
Chapter B: Colour Vision and Colorimetry,
Main part BEA_I**

This web page will incude 26 main parts (I) with general information, and is under development (2021).

There will be 26 corresponding image parts (S), each with 10 figure pages.

Each of the 10 figure pages (0 to 9) includes up to 16 figures,
and each with up to six formats.

**
Structure, content, and order of files and figures on the example chapter
Colour Vision and Colorimetry**

For the download of this figure in the VG-PDF format, see AEX00-5N.PDF.

For the download of this figure in the VG-PDF format, see AEX0L0N1.

**
List of links to all main parts, and the contents of all image parts
**

**
Title: Antagonistic colour vision model and applications;
Mixture of spectral colours to optimal colours of Ostwald;
Six chromatic mixture colours as optimal and device colours;
Application chromatic adaptation;
Application adaptation to the visual luminance range.
**

1. Introduction and goals.

2. Antagonistic colour vision model and applications.

3. Model for chromatic adaptation.

4. Model for adaptation to the visual luminance range

beteem white W and black N for the contrast steps

5. Antagonistic colorimetry: linear, logarithmic, or?

**
Title: Eight Planck and Daylight illuminants Pxx and Dxx;**

for the calculation of the Ostwald-optimal colours;

complementary optimal colours with antagonistic tristimulues values

X, Y, Z, and Xw-X, Yw-Y, Zw-Z

in the CIE chromaticity diagram (x, y), and other

colorimetric diagrams for the CIE standard illuminants D65 and A.

1. Introduction and goals.

2. Relative sprectral radiation of the 8 illuminants Pxx and Dxx.

3. Wavelength ranges of the

4. Calculations of tristimulues values

wavelength limits, dominant and complementary wavelength.

5. Alternative starting wavelength limits compared to the preferred limits.

6. Equal chromatic values for the antagonistic colour pairs

in the chromatic value diagram

and comparison with CIELAB chroma.

**
Title: Ostwald-optimal colours for the CIE-02-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for complementary optimal colours of antagonistic tristimulues values
X, Y, Z, and
Xw-X, Yw-Y, Zw-Z in the CIE chromaticity diagram
(x, y);
for four contrast steps C=25:1, 10:1, 4:1, and 2:1.
**

1. Introduction and goals.

2. Location of complementary

2. Approximately equal chromatic values

3. Decreasing of chromaticity difference between colour and white for any of the four contrast steps

4. Change of the triangle location in

**
Title: Ostwald-optimal colours for the CIE-10-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for complementary optimal colours of antagonistic tristimulues values
X10, Y10, Z10, and
Xw10-X10, Yw10-Y10, Zw10-Z10 in the CIE chromaticity diagram
(x10, y10);
for four contrast steps C=25:1, 10:1, 4:1, and 2:1.
**

1. Introduction and goals.

2. Location of complementary

2. Approximately equal chromatic values

3. Decreasing of chromaticity difference between colour and white for any of the four contrast steps

4. Change of the triangle location in

**
Title: Antagonistic model of colour vision for Ostwald colours;
Additive mixture of spectral colours to Ostwald optimal colours.
**

1. Introduction and goals.

2. Additive spectral colour mixture with a colour integrator to the

3. Antagonistic model of colour vision; mixture to grey for D65.

4. Additive colour mixture for four display devices sRGB, WCGa, Offs, and Ostw.

5. Normalized reflections R/0,5 or log[R/0,2] and relations to the

**
Title: Ostwald optimal colours for the CIE-2-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for two complementary hue planes in diagrams (CAB2, Y);
for chromatic values CAB and tristimulus values Y.
**

1. Introduction and goals.

2. Approximately equal chromatic value

3. Equal decreasing of chromatic values

4. Reason of

**
Title: Ostwald optimal colours for the CIE-10-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for two complementary hue planes in diagrams (CAB2, Y);
for chromatic values CAB and tristimulus values Y.
**

1. Introduction and goals.

2. Approximately equal chromatic value

3. Equal decreasing of chromatic values

4. Reason of

**
Title: Ostwald optimal colours for the CIE-2-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for 3 complementary colour pairs R-C, Y-B, and G-M;
in chromatic value diagrams (A1, B1) and (A2, B2).
**

1. Introduction and goals.

2. Equal chromatic values in diagrams

3. Equal chromatic values for three complementary colour pairs

4. Equal change of chromatic values for any of 4 contrast steps

**
Title: Ostwald optimal colours for the CIE-10-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for 3 complementary colour pairs R-C, Y-B, and G-M;
in chromatic value diagrams (A1, B1) and (A2, B2).
**

1. Introduction and goals.

2. Equal chromatic values in diagrams

3. Equal chromatic values for three complementary colour pairs

4. Equal change of chromatic values for any of 4 contrast steps

**
Title: Ostwald optimal colours for the CIE-2-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for two complementary hue planes in diagrams (CAB, Y);
for chromatic values CAB and tristimulus values Y;
diffferent Y-tranfers and Y-scales
for four contrast steps C=25:1, 10:1, 4:1, and 2:1.
**

1. Introduction and goals.

2. Approximately equal chromatic value

3. Equal decreasing of chromatic values

4. Reason of the different

**
Title: Ostwald optimal colours for the CIE-10-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for two complementary hue planes in diagrams (CAB, Y);
for chromatic values CAB and tristimulus values Y;
diffferent Y-tranfers and Y-scales
for four contrast steps C=25:1, 10:1, 4:1, and 2:1.
**

1. Introduction and goals.

2. Approximately equal chromatic value

3. Equal decreasing of chromatic values

4. Reason of different

**
Title: Ostwald optimal colours for the CIE-2-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for 3 complementary colour pairs R-C, Y-B, and G-M;
in chromatic value diagrams (A, B) and (A1, B1).
**

1. Introduction and goals.

2. Equal chromatic values in diagrams

3. Equal chromatic values for three complementary colour pairs

4. Equal change of chromatic values for any of 4 contrast steps

**
Title: Ostwald optimal colours for the CIE-10-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for 3 complementary colour pairs R-C, Y-B, and G-M;
in chromatic value diagrams (A, B) and (A1, B1).
**

1. Introduction and goals.

2. Equal chromatic values in diagrams

3. Equal chromatic values for three complementary colour pairs

4. Equal change of chromatic values for any of 4 contrast steps

**
Title: Ostwald optimal colours for the CIE-2-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for two complementary hue planes in diagrams (CAB2, Y);
for chromatic values CAB and tristimulus values Y.
**

1. Introduction and goals.

2. Approximately equal chromatic value

3. Equal decreasing of chromatic values

4. Reason of

**
Title: Ostwald optimal colours for the CIE-10-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for two complementary hue planes in diagrams (CAB2, Y);
for chromatic values CAB and tristimulus values Y.
**

1. Introduction and goals.

2. Approximately equal chromatic value

3. Equal decreasing of chromatic values

4. Reason of

**
Title: Ostwald optimal colours for the CIE-2-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for two complementary hue planes in diagrams (CAB2, Y);
for chromatic values CAB and tristimulus values Y.
**

1. Introduction and goals.

2. Approximately equal chromatic value

3. Equal decreasing of chromatic values

4. Reason of

**
Title: Ostwald optimal colours for the CIE-10-degree observer;
for 8 Planck-illuminants Pxx,
and for 8 daylight illuminants Dxx;
for two complementary hue planes in diagrams (CAB2, Y);
for chromatic values CAB and tristimulus values Y.
**

1. Introduction and goals.

2. Approximately equal chromatic value

3. Equal decreasing of chromatic values

4. Reason of

**
Title: Just noticeable colour differences (JNDs) of Ostwald colours;
Hue circles and hue planes of Ostwald colours for 2 contrasts
C>288:1 and 2:1.
**

1. Introduction and goals.

2. Just noticeable colour differences (JNDs) of

3. Equal JNDs for all antagonistic (complementary) optimal colours according to

4. Hue circles and hue planes of

5. Relation of the

**
Title: Viewing situation of adjacent and separate colours;
Antagonistic colour attributes and scaling of
N*, I*, W*, T*, C*, and A*.
**

1. Introduction and goals.

2. Viewing situation of adjacent and separate colours.

3. Colour attributes Blackness

4. Antagonistic optimal colours of a colour half.

5. Colour vectors of the antagonistic colour vision model and relation with linear colour values, and linear and nonlinear colour attributes.

**
Title: Colour line elements for adjacent and separate colours;
Colour difference formulae CIELAB and IECsRGB for scaling, and
LABJNDx and IECsRGBJND for thresholds.
**

1. Introduction and goals.

2. Viewing situation of adjacent and separate colours.

3. Colour-difference formulae for scaling and threshold.

4. CIELAB for separated colours and LABJND for adjacent colours.

5. Differences of colour line elements for scaling and thresholds.

**
Title: Ostwald, sRGB and WCGa colours in chromaticity
and in chromatic value diagram;
Line elements and derivations of achromatic colours
for scaling and thresholds
**

1. Introduction and goals.

2.

3. Simplified colour-difference formulae for scaling and thresholds.

4. Colour difference formulae CIELAB and IECsRGB for scaling, and LABJNDx and IECsRGBJND for thresholds.

5. Line elements and derivations of achromatic colours for scaling and thresholds.

1. Introduction and goals;

2. Modifications IECsRGBu0 to 9 of the colour space IECsRGB, similar to CIELAB;

3. Corresponding line elements for the experimental contrast

4. Absolute lightness

5. Logarithmic and linear figures for

6. Logarithmic figures for threshold

7. Parameters of the formula

for exaample Sn=50, 1/g=1/2,4, Sd=0.

go to the image part BEVS to study the 10 image pages and the content.

1. Introduction and goals;

2. Modifications IECsRGBu0 to 9 of the colour space IECsRGB similar to CIELAB;

3. Corresponding line elements for the experimental contrast

4. Absolute lightness

5. Logarithmic and linear figures for

6. Logarithmic figures for threshold

7. Parameters of the formula

for exaample Sn=50, 1/g=1/2,4, Sd=0.

go to the image part BEWS to study the 10 image pages and the content.

1. Introduction and goals;

2. Modifications CIELABu0 to 9 of the colour space CIELAB;

3. Corresponding line elements for the experimental contrast

4. Absolute lightness

5. Logarithmic and linear figures for

6. Logarithmic figures for threshold

7. Parameters of the formula

for exaample Sn=66, 1/g=1/3,0, Sd=16.

go to the image part BEXS to study the 10 image pages and the content.

1. Introduction and goals;

2. Modifications CIELABu0 to 9 of the colour space CIELAB;

3. Corresponding line elements for the experimental contrast

4. Absolute lightness

5. Logarithmic and linear figures for

6. Logarithmic figures for threshold

7. Parameters of the formula

for exaample Sn=66, 1/g=1/3,0, Sd=16.

go to the image part BEYS to study the 10 image pages and the content.

1. Introduction and goals;

2. Modifications CIELABn0 to 9 of the colour space CIELAB;

3. Corresponding line elements for the experimental contrast

4. Absolute lightness

5. Logarithmic and linear figures for

6. Logarithmic figures for threshold

7. Parameters of the formula

for example Sn=116, 1/g=1/3,0, Sd=16.

go to the image part BEZS to study the 10 image pages and the content.

-------

For the start TUB web site (not archive), see

index.html in English,
indexDE.html in German.

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.