File talk:16777216colors.png

Incorrect claim about image content

This image does not show all 16 million "true" colours. Try to find black, white, any grey, or any shade of brown. They're not there!

A correct image is shown at: https://www.cambridgeincolour.com/tutorials/bit-depth.htm Mattsephton (talk) 20:06, 27 September 2018 (UTC)

Black00 is at pixel position 15,15; white00 is at pixel position 4088,4087; you'll find the grays all near the diagonal of the image. Roughly at the middle you'll find the "middle" gray, #7F7F7F00 at 2034,2041. You didn't specify exactly what you mean by brown, so it's a bit up for interpretation, but let's say you meant #9B5E1400; you'll find it at 2432,1514. I could go on, but the point is: you're wrong.

Maybe what threw you off is that they're not in a "sensible" order within the image. As the image description says, you take the image that has all the colors of red along the x axis and all the colors of green along the y axis and you enlarge it so each original pixel is now 16x16 pixels in the output image, and then to this new image, you add an image that has every value of black to full blue in it in a 16x16 grid to these enlarged 16x16 pixels. To me it's pretty self-explanatory how this will have every possible combination of red, green and blue in one image. DarkPhoenix (talk) 06:38, 24 March 2024 (UTC)

@MattSephton Just to confirm, what tool did you use to do the actual count? I myself have used Irfanview to confirm the count, which, since there are only 2²⁴ 24-bit colors represented via such PNGs, means it must include all the colors you say are missing.

https://freeupmobile.com/?refer=00166887 (talk) 19:54, 2 October 2018 (UTC)