રાતાં લુગડાં ને કાળાં મોઢા, રખે તમે હળવદીઆ હો.

rātāṁ lugaḍāṁ nē kāḷāṁ mōḍhā, rakhē tamē haḷavadīā hō.

Literally: Red clothes and black faces, lest you be Halvadias.
What it means: Said to warn against untrustworthy, deceptive, or suspicious-looking people who might bring trouble.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.