ellos combinan

they combine, they match, they mix

→ combinar
combin combine + an 3rd-person plural present (indicative or subjunctive)
verb · third plural · present indicative Rare #31,697
they combine, they match, they mix Third-person plural present tense of “combinar.”
SP: Estos colores combinan muy bien.
EN: These colors match very well.
Conjugation of combinar
Indicative present
SingularPlural
Third — combinan
Subjunctive present
SingularPlural
Third — combinan

Los colores no combinan.

The colors don't match.

Estos colores no combinan bien.

These colors don't go well together.

Esos zapatos combinan bien con esa falda blanca.

Those shoes go well with that white skirt.

Tu chaqueta y tu corbata no combinan.

Your jacket and tie don't match.

Los colores quedan bien juntos, combinan perfecto en esa pared.

The colors look good together, they match perfectly on that wall.

Y los colores todos combinan entre sí.

And all the colors match each other.

— Andrei Rublev (1966)

El hidrógeno y el oxígeno se combinan para formar agua.

Hydrogen and oxygen combine to form water.

Esos colores combinan bien.

Those colors go well together.

Sus zapatos azules combinan bien con esa falda.

Her blue shoes go well with that skirt.