Ghost/ghost
Kevin Ansfield eed299d1f6 Matched Portal's contrast threshold for white/black text on background color
refs https://github.com/TryGhost/Team/issues/928

- switched to using `color` for color conversion and adjustments rather than maintaining our own limited utils (preparation to extract our own utils to separate library)
- changed contrast threshold for yiq-based contrast adjustment from `128` to `186` to match Portal's current behaviour
2021-07-28 17:14:33 +01:00
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admin Matched Portal's contrast threshold for white/black text on background color 2021-07-28 17:14:33 +01:00