Cov neeg feem ntau sib tov dyes thiab pigments ua ke, yog li lawv kuj sib xyaw. Thaum lawv tuaj yeem siv sib hloov, muaj qhov sib txawv loj ntawm lawv thiab lawv cov ntawv thov. Dyes thiab pigments yog cov khoom xyaw tseem ceeb uas yuav tsum tau pleev xim thiab xim ntau yam khoom.
Cov xim, plastics, textile, thiab number case industries cia siab rau dyes thiab pigments kom tau lub zoo meej ntxoov ntxoo rau lawv cov khoom.
Feem ntau, ob qho tib si dyes thiab pigments yog cov khoom uas muab xim rau cov khoom siv. Lub sij hawm colorant siv tau rau ob qho tib si dyes (tseem hu ua dyes) thiab pigments. Qhov sib txawv tseem ceeb ntawm dyes thiab pigments yog qhov loj me; dyes yog loj dua pigments.