ΔE 13.4, fair: the same colour family, but not a straight swap. Clear Orange is much more saturated than Kalahari Orange.
Can I use Clear Orange instead of Kalahari Orange?
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Clear Orange is much more saturated than Kalahari Orange.
Can I use Kalahari Orange instead of Clear Orange?
The same difference applies the other way round: Kalahari Orange is much more muted.
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.