Âng-sek
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Âng-sek (紅色) ia̍h âng sī khoàⁿ-ū-kng pîn-lu̍t siōng kē ê sek-chúi, pho-tn̂g iok-liōng 630-760 nm. Pîn-lu̍t nā koh-khah kē tō sī âng-goā-soàⁿ. Âng-sek ham chhiⁿ-sek, nâ-sek sī sio-tha̍h-hêng (additive) ê 3 ê chho͘-kip sek-chúi (primary color), ē-tàng cho͘-ha̍p chhut pa̍t chióng sek-chúi.