On Tue, Jul 09, 2019 at 01:52:05AM -0400, Lady Aleena wrote: > Package: apt > Version: 1.8.2 > > While I was running apt autoremove, I saw a warning. I did not know it was a > warning at first because I could not read the bright yellow text. I use a > terminal emulator with a white background. Bright yellow is the only color > that causes problems on a white background.
This looks like a problem with your terminal emulator, not with apt, and should be fixed there. While 256-color or 24-bit palettes are popular today, the basic 16 colors are still there for a reason. They are supposed to be readable in any combination -- if a terminal fails that, it needs to be fixed. The color space is too big to excuse not finding 16 points that visually differ. I've investigated this issue before -- and it turns out human vision is really bad at distinguishing colours that differ only by the blue component. Far worse than eg. the CIEDE2000 model claims. Here's a comparison (should be viewed at a large magnification) with the traditional non-IBM CGA palette: https://angband.pl/tmp/16x16_black.html (standard) https://angband.pl/tmp/ciede2000_16x16.html (reversed) > I think it might be a good idea to use another color, say bright red or > bright orange, for warnings. Or you could allow users to set the colors > themselves. You can set the colors, by editing your terminal emulator's palette; the exact means vary. Could you try doing that? You are using a reverse black-on-white palette that's very rarely used by coders (but AFAIK somehow is GNOME Terminal's default), I've found that it hits this problem the worst. In fact, in a tool of mine (ansi2html, in package colorized-logs), I special-cased yellows in the reverse-color mode all the way to 0xcccc00 for color 14 and 0x806000 for color 6, as only then such text became good. There are so many palettes to choose from -- terminal presets should get fixed instead of other programs to avoid colours (dark blue and bright yellow). Meow! -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ According to recent spams, "all my email accounts are owned ⢿⡄⠘⠷⠚⠋ by a hacker". So what's the problem? ⠈⠳⣄⠀⠀⠀⠀
