Tacky vs Clammy - What's the difference?

As adjectives the difference between tacky and clammy

is that tacky is of a substance, slightly sticky while clammy is cold and damp, usually referring to hands or palms.

(er)

Of a substance, slightly sticky.

This paint isn't dry yet - it's still a bit tacky.

(colloquial) Of low quality.

That market stall sells all sorts of tacky ornaments.

(colloquial) In poor taste.

That was a tacky thing to say.

gaudy, flashy, showy, garish

dowdy, shabbily dressed

shabby, dowdy (in one's appearance)

(er)

Cold and damp, usually referring to hands or palms.

His hands were clammy from fright

(medicine) The quality of normal skin signs, epidermis that is neither diaphragmatic nor dry

* clamminess (noun)