Can blue gouramis live with yellow labs?

Verdict
Yes

Yes. Blue gouramis and yellow labs make a good pair. Both are fine at 75–82°F. Plan on at least 40 gal.

Blue gouramiBlue gourami72–82°F · pH 6–8 Electric yellow cichlidElectric yellow cichlid75–82°F · pH 7.8–8.6

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Blue gourami 72–82°Electric yellow cichlid 75–82°
The green band is the temperature range both can live in.
456789Both: 7.8–8Blue gourami 6–8Electric yellow cichlid 7.8–8.6
The green band is the pH both tolerate.

Size to scale

Blue gourami · 5 inElectric yellow cichlid · 4 in0"1"2"3"4"5"6"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

Blue gouramiElectric yellow cichlid
Temperature72–82 °F75–82 °F
pH6–87.8–8.6
Adult size5.0 in4.0 in
Minimum tank30 gal40 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atTopAll levels
GroupAlone or in pairsGroups of 4+
DietOmnivoreOmnivore

Better tank mates for blue gouramis

All blue gourami tank mates

Better tank mates for yellow labs

All electric yellow cichlid tank mates

Questions

Can blue gouramis live with yellow labs?

Yes. Blue gouramis and yellow labs make a good pair. Both are fine at 75–82°F. Plan on at least 40 gal.

What temperature suits both blue gouramis and yellow labs?

75–82 °F. Blue gouramis need 72–82 °F, yellow labs need 75–82 °F.

What size tank do blue gouramis and yellow labs need together?

At least 40 gal, set by the electric yellow cichlid. Add space for each extra fish.