diff options
| author |  Chloe Kudryavtsev <code@toast.bunkerlabs.net> | 2023-07-14 11:40:40 +0200 |
|---|---|---|
| committer | Chloe Kudryavtsev <code@toast.bunkerlabs.net> | 2023-07-17 18:32:38 +0200 |
| commit | 70146b971f3ba6adb11eac0f465c7f40ad88ebae (patch) | |
| tree | 6347c687baaeaafd9ecb86746f65a20d9a6de218 /CHANGELOG.md | |
| parent | tests: rewrite contrast checker in pure POSIX sh (diff) | |
first v4 draft, Lch edition
Diffstat (limited to 'CHANGELOG.md')
| -rw-r--r-- | CHANGELOG.md | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md index a2ade0b..5e078c6 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,6 +1,36 @@ # CHANGELOG Documentation on how the colors were determined in every version, along with the changes. +## V4 +V4 is a reimagining of starlight using the LCH color space. +The comments in particular were regarding the accessibility (lack of contrast) of red and magenta. +After some testing, WCAG AAA is not a particularly big deal, but a contrast ratio of at least 4 is highly recommendable. +With some math and focus group testing, +I determined that highly variable lightness values are somewhat inevitable when catering to color blindnesses: +in part because they're what permit colorblind people to differentiate the colors, +and in part because of the need to fit into sRGB. + +The new colors aim for an LCH L of 65 for the basic version and 75 for the bright version. +Additionally, bright versions are hue-shifted right by 10. +Chroma values are either 40, 60, or 80, depending on sRGB and colorblindness constraints. + +That said, the new colors are (L, C, H): +* Red: 55, 80, 20 and 60, 80, 30. + The lightness needed to be reduced to fit into sRGB, but be high enough to remain legible. + For bright red, it looked different enough at 60, so it was kept to remain mostly within sRGB. +* Green: 65, 80, 130 and 75, 80, 140. +* Yellow: 80, 80, 90 and 90, 80, 100. +* Blue: 65, 40, 230 and 75, 40, 240. + The chromacity had to be reduced to fit into sRGB. +* Magenta: 65, 60, 330 and 75, 60, 340. + The chromacity had to be reduced to fit into sRGB. +* Cyan: 70, 40, 190 and 80, 40, 200. + The chromacity had to be reduced to fit into sRGB. + The hue and lightness had to be further played around with to accomodate color blindness. + +The white and black values were left alone, as no one had issues with them. +They may be changed in a patch. + ## V3 We use black as the background, and move old brblack into black. We then make brblack more of a gray. |