11 | | * The text color of stickies should be black and non-transparent. |
12 | | * The background color should be yellow, semitransparent (red=100%, green=100%, blue=20%, alpha=75%). |
| 11 | * The default background color should be yellow, semitransparent (red=100%, green=100%, blue=20%, alpha=75%). |
| 12 | * The text color of stickies should be non-transparent and: |
| 13 | * Black - if the brightness (see below) of the background is less than 50% |
| 14 | * White - otherwise |
| 15 | * The brightness is the luma, the Y component of the color in YUV color space, Y = 0.2126 R + 0.7152 G + 0.0722 B. |