"N̂g-sek" pán-pún chi-kan bô-kāng--ê tē-hng

'''N̂g-sek''' (yellow) ia̍h '''n̂g''' sī [[pho-tn̂g]] 565-590 [[nm]] ê [[khoàⁿ-ū-kng]] hông kám-kak--tio̍h ê [[sek-chúi]]. [[Ba̍k-chiu]] [[bāng-mo̍͘h]] (retina) ê [[âng-sek]] ham [[chheⁿ-sek]] [[chui-sè-pau]] (cone cell) nā siū chhì-khek, m̄-koh [[nâ-sek]] chui-sè-pau bô ê sî, mā ē chō-chiâⁿ n̂g-sek ê kám-kak, chhiūⁿ kóng [[âng-sek]] ham [[chheⁿ-sek]] ê [[kng]] lām chò-hoé, mā ē kám-kak sī n̂g-sek. N̂g-sek sī siau-kiám-hêng (subtractive) ê [[chho͘-kip sek-chúi]] (primary color), i ê [[hō͘-pó͘-sek]] (complementary color) sī [[nâ-sek]] (blue).