DCI-P3 Color Mode Absolute Color Accuracy Plot The Average Color Error is 0.5 JNCD and the Maximum Color Error is 1.8 JNCD.įigure 2c. The iPhone 13 Pro Max provides a very accurate color match to the sRGB Standard Color Gamut. sRGB Color Mode Absolute Color Accuracy Plot The Colors and Absolute Color Accuracy of the display should not varyįigure 2b. For an in-depth discussion and analysis of Absolute Color Accuracy see this article.Ĭolor Shifts with Average Picture Level APL The 3 JNCD color difference is shown in the Figures below.ĭisplay Color Errors less than 3 JNCD on a display are generally not visually noticeable for typical image content and appear accurate to the eye.
Here we will use 3 JNCD for the threshold ofĪ visually noticeable display color difference in images. The visual threshold for Just Noticing a Color Difference is higher. When the colors are not touching and are further apart, While values greater than 1 JNCD are visually noticeable when the Where 1 MPCD = 1 JNCD = Δ(u'v') = 0.0040 on theĬolor differences less than 1 JNCD are visually indistinguishable, MPCD Minimum Perceptible Color Difference or We present the color accuracy and errors here in terms of The accuracy of the colors can then be calculated using theġ976 CIE Uniform Chromaticity color space and compared to the Spectroradiometer together with our proprietary DisplayMate Test Patterns. The on-screen colors produced by any display can be measured using a The 1 JNCD and 3 JNCD Errors are discussed next and are shown in the Figures below. The iPhone 13 Pro Max has 2 Standard Color Gamuts.īelow shows the measured on-screen colors for theĪre all shown as Black circles and the MeasuredĬolors for the iPhone 13 Pro Max are shown as Red circles.Ĭolor Errors smaller than the appropriate JNCD are not visually noticeable. Obsolete for over 30 years so it is also meaningless for specifying theįor an in-depth discussion and analysis of Color Gamuts see this Note that the older 1931 CIE Diagrams that are published by many reviewersĪre highly non-uniform and are meaningless for Color Accuracy.Īlso the still widely referenced NTSC Color Gamut is from 1953 and has been The 4 sets of triangles are the 25% 50% 75% and 100% Saturated Colors.Īll color measurements are plotted on 1976 CIE Uniform Color Diagrams Note that Complementary Colors lie directly across from one another through the White Point. 41 Reference Colors for the DCI-P3 Color Gamut Standard Which in most cases will be lower than DCI-P3.įigure 2a. The color saturation range that your display can produce, Support the DCI-P3 Color Gamut - if not then you will instead see Note that in order to see the true DCI-P3 colors in Figure 2a your display must Within the DCI-P3 Color Gamut - the colors shown in most publishedįor an in-depth discussion and analysis of all the Have been calculated to show the true colors Of the iPhone 13 Pro Max Standard Color Gamuts: DCI-P3 and RGB / Rec.709. We have accurately calculated the Colors and Reference Colors for each The White circle is the White Point with 0% Color Saturation. The 3 inner sets of Gray triangles are the 25%, 50% and 75% Saturated Colorsīetween the inner White Point and the 100% Saturated Colors on the periphery. The 10 Black circles on the outer triangleĪre the 100% fully Saturated Colors on the periphery. Wide DCI-P3 Color Gamut as White, Gray, and Black circles. The results are plotted on CIE 1976 Uniform Color DiagramsĤ1 Reference Colors for the wide DCI-P3 Color Gamut Standard With our proprietary sets of 41 Reference Colors for each Standard Color Gamut. We measure the Absolute Color Accuracy of the display DisplayMate Reference Colors and iPhone 13 Pro Max Absolute Color Accuracy Plots iPhone 13 Pro Max Absolute Color Accuracy Plots
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