ΔE 20.2, loose: different enough that you should pick on purpose. Cloudy Sky is noticeably lighter, warmer than Canvas.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Cloudy Sky is noticeably lighter, warmer than Canvas.
The same difference applies the other way round: Canvas is noticeably darker, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Canvas on the colour wheel See Cloudy Sky on the colour wheel
All matches: Canvas equivalents · Cloudy Sky equivalents