thi\u1ebft k\u1ebf tem nh\u00e3n decal<\/a><\/span> th\u00ec ph\u01b0\u01a1ng ti\u1ec7n b\u1ea1n ph\u1ea3i \u0111\u1ed1i m\u1eb7t l\u00fac n\u00e0y ch\u00ednh l\u00e0 ch\u1ea5t li\u1ec7u m\u00e0u.<\/span><\/p>\nC\u00f3 ba m\u00e0u s\u1eafc c\u1ee7a b\u1ed9t m\u00e0u, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ba m\u00e0u c\u01a1 b\u1ea3n c\u1ee7a b\u1ed9t m\u00e0u, \u0111\u00f3 l\u00e0: l\u1ee5c lam, \u0111\u1ecf t\u01b0\u01a1i, v\u00e0ng v\u00e0 RGB t\u01b0\u01a1ng t\u1ef1, CMY l\u00e0 t\u00ean vi\u1ebft t\u1eaft t\u00ean c\u1ee7a ba lo\u1ea1i m\u1ef1c in: l\u1ee5c lam Cyan, \u0111\u1ecf t\u01b0\u01a1i Magenta, v\u00e0ng v\u00e0ng.\u00a0<\/span><\/p>\nV\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, ch\u1ec9 c\u1ea7n ba lo\u1ea1i m\u1ef1c trong CMY l\u00e0 \u0111\u1ee7 v\u00e0 c\u1ea3 ba lo\u1ea1i c\u00f9ng nhau s\u1ebd c\u00f3 m\u00e0u \u0111en. Tuy nhi\u00ean, v\u00ec quy tr\u00ecnh s\u1ea3n xu\u1ea5t hi\u1ec7n t\u1ea1i kh\u00f4ng th\u1ec3 t\u1ea1o ra m\u1ef1c c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c b\u1ed5 sung CMY th\u1ef1c s\u1ef1 r\u1ea5t s\u00e2u s\u1eafc.<\/span><\/p>\nPh\u1ea7n t\u1ed1i nh\u1ea5t c\u1ee7a b\u1ee9c tranh. B\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y gi\u00e1 tr\u1ecb m\u00e0u trong tr\u00ecnh \u0111\u1ecdc m\u00e0u: m\u00e0u x\u00e1m \u0111\u1eadm do C100 M100 Y100 K0 thu \u0111\u01b0\u1ee3c, do \u0111\u00f3, ph\u1ea3i th\u00eam m\u00e0u \u0111en trong qu\u00e1 tr\u00ecnh n\u00e0y. M\u00e0u \u0111en c\u00f3 th\u1ec3 l\u00e0m cho chi ti\u1ebft c\u1ee7a c\u00e1c ph\u1ea7n t\u1ed1i r\u00f5 r\u00e0ng h\u01a1n v\u00e0 l\u00e0m cho c\u00e1c t\u00f4ng m\u00e0u \u1edf gi\u1eefa v\u00e0 c\u00e1c ph\u1ea7n t\u1ed1i r\u00f5 r\u00e0ng h\u01a1n.<\/span><\/p>\nM\u00e1y in b\u1ed1n m\u00e0u truy\u1ec1n th\u1ed1ng c\u00f3 b\u1ed1n tr\u1ee5 in, ch\u1ecbu tr\u00e1ch nhi\u1ec7m in m\u00e0u l\u1ee5c lam, \u0111\u1ecf t\u01b0\u01a1i, v\u00e0ng v\u00e0 \u0111en. Sau khi m\u1ed9t t\u1edd gi\u1ea5y tr\u1eafng \u0111i v\u00e0o m\u00e1y in, n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c in v\u1edbi b\u1ed1n lo\u1ea1i m\u1ef1c \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m in cu\u1ed1i c\u00f9ng.<\/span><\/p>\nM\u1ef1c \u0111en kh\u00f4ng \u0111\u01b0\u1ee3c vi\u1ebft t\u1eaft l\u00e0 B (Black), \u0111\u1ec3 ph\u00e2n bi\u1ec7t v\u1edbi B c\u1ee7a RGB. Nh\u01b0ng t\u1ea1i sao l\u1ea1i ch\u1ecdn K l\u00e0 ch\u1eef vi\u1ebft t\u1eaft? Ng\u01b0\u1eddi ta c\u0169ng n\u00f3i r\u1eb1ng K l\u00e0 ch\u1eef vi\u1ebft t\u1eaft c\u1ee7a “Key plate”. Cho bi\u1ebft t\u1ea5m K l\u00e0 t\u1ea5m \u0111\u00f3ng vai tr\u00f2 ch\u1ee7 \u0111\u1ea1o.<\/span><\/p>\n<\/span>M\u1ed9t vai “b\u1ed9 x\u01b0\u01a1ng”. N\u1ebfu b\u1ea1n nh\u00ecn v\u00e0o b\u1ea3n in b\u1eb1ng k\u00ednh l\u00fap, b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c ch\u1ea5m \u0111en t\u1eadp trung trong b\u00f3ng t\u1ed1i. Tr\u00ean m\u1ed9t b\u1ea3n in, m\u1ef1c \u0111en ph\u00e1t tri\u1ec3n t\u1eeb kh\u00f4ng th\u00e0nh d\u00e0y h\u01a1n v\u00e0 t\u1ed1i h\u01a1n t\u1eeb v\u00f9ng s\u00e1ng \u0111\u1ebfn v\u00f9ng gi\u1eefa r\u1ed3i v\u00f9ng t\u1ed1i.<\/span><\/span><\/h3>\nGam m\u00e0u s\u1eafc<\/strong><\/em><\/span><\/p>\nN\u00f3i chung, m\u00e0u c\u1ee7a m\u00e0n h\u00ecnh (RGB) s\u00e1ng h\u01a1n v\u00e0 s\u00e1ng h\u01a1n m\u00e0u c\u1ee7a v\u1eadt li\u1ec7u in (m\u00e0u CMYK), b\u1edfi v\u00ec m\u00e0u RGB c\u00f3 th\u1ec3 th\u1ec3 hi\u1ec7n m\u1ed9t gam m\u00e0u r\u1ed9ng h\u01a1n so v\u1edbi m\u00e0u CMYK, v\u00e0 c\u0169ng c\u00f3 th\u1ec3 hi\u1ec3u l\u00e0 nhi\u1ec1u s\u00e1ng. m\u00e0u s\u1eafc (RGB) hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh b\u1ecb d\u1ea7u<\/span>
\n(CMYK) kh\u00f4ng th\u1ec3 di\u1ec5n \u0111\u1ea1t.<\/span><\/p>\nT\u1ea5t c\u1ea3 \u1ea3nh m\u00e0u khi in ph\u1ea3i \u1edf ch\u1ebf \u0111\u1ed9 CMYK, kh\u00f4ng \u1edf ch\u1ebf \u0111\u1ed9 RGB, v\u00ec ch\u1ebf \u0111\u1ed9 RGB c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb m\u00e0u kh\u00f4ng in \u0111\u01b0\u1ee3c, g\u00e2y sai l\u1ec7ch nghi\u00eam tr\u1ecdng trong thi\u1ebft k\u1ebf v\u00e0 in \u1ea5n. Ch\u1ecdn m\u1ed9t m\u00e0u trong b\u1ed9 ch\u1ecdn m\u00e0u, n\u1ebfu khi ph\u1ea1m vi gam m\u00e0u c\u1ee7a h\u1ec7 th\u1ed1ng CMYK, m\u1ed9t h\u1ed9p c\u1ea3nh b\u00e1o gam m\u00e0u s\u1ebd b\u1eadt l\u00ean.<\/span><\/p>\nNh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng tam gi\u00e1c c\u1ea3nh b\u00e1o s\u1ebd t\u1ef1 \u0111\u1ed9ng ch\u1ecdn m\u00e0u an to\u00e0n khi in g\u1ea7n v\u1edbi m\u00e0u hi\u1ec7n t\u1ea1i nh\u1ea5t v\u00e0 n\u1eb1m trong gam m\u00e0u CMYK.<\/span><\/p>\n