Relative Luminance: 0.2126 R + 0.7152 G + 0.0722 B
This lesson is part of the course
In this lesson
You calculate the relative luminance of Fernhill's eight palette colours and choose black or white text for each.
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Lessons in this course
- Hex Colours to RGB and Back: HEX2DEC, MID & DEC2HEX Locked
- sRGB to Linear Light: the Piecewise IF with ^2.4 Locked
- Relative Luminance: 0.2126 R + 0.7152 G + 0.0722 B Locked
- Contrast Ratio: (L1 + 0.05) / (L2 + 0.05) Locked
- AA & AAA: Pass/Fail for Normal and Large Text Locked
- Fixing a Palette: Darken Step by Step Until It Passes Locked
- Contrast Matrix for a Brand Palette: Mixed References & Highlighting Locked
- Contrast Report: Pass Rate, Shortfalls & a Chart of Ratios vs Targets Locked