@@ 397,8 397,8 @@
As we know though YJK mode can generate 19268 colours. Where did the remaining
2884 colours go? YJK’s 17 bits allow for 131072 different values, but most of
- these fall outside the range of 15-bit RGB. Values that are out of range are
- clipped to [0, 31].
+ these fall outside the range of 15-bit RGB. This is called “out of gamut”.
+ Values that are out of range are clipped to [0, 31].
@@ 521,6 521,29 @@
+ Some additional tips:
+ Align the vertical edges in your graphics to the 4×1 grid to minimise
+ the effect of colour bleed.
+ Use the out of gamut colours of the Y ramps to your advantage, their hue
+ changes more than usual so they give some extra flexibility.
+ In situations where you can’t use the colour you want, try to match its
+ brightness so that the colour difference is harder to spot.
+ The eye is sensitive to edges, so de-block visible edges of colour bleeding
+ by adding detail or dithering in them.
In the end to which degree you want to apply these techniques depends on how much
time you want to invest. Please share your experiences and tips and tricks in the