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Retain hue when flipping luminance

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Fixes #3845
This commit is contained in:
Daniel Imms
2022-07-24 08:03:27 -07:00
parent cbb13aa4d4
commit 0ccf3beec7
1 changed files with 2 additions and 2 deletions
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src/common/Color.ts
+2 -2
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@@ -195,7 +195,7 @@ export namespace rgba {
const resultA = reduceLuminance(bgRgba, fgRgba, ratio);
const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));
if (resultARatio < ratio) {
const resultB = increaseLuminance(bgRgba, bgRgba, ratio);
const resultB = increaseLuminance(bgRgba, fgRgba, ratio);
const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));
return resultARatio > resultBRatio ? resultA : resultB;
}
@@ -204,7 +204,7 @@ export namespace rgba {
const resultA = increaseLuminance(bgRgba, fgRgba, ratio);
const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));
if (resultARatio < ratio) {
const resultB = reduceLuminance(bgRgba, bgRgba, ratio);
const resultB = reduceLuminance(bgRgba, fgRgba, ratio);
const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));
return resultARatio > resultBRatio ? resultA : resultB;
}