TNG PHN GIA CH V MU Tc gi: Veruschka Gotz Trn mn hnh, tng phn mu sc din ra vi cng mnh hn thc t khi chng c in ra l do trn mn hnh mu sc c hp thnh bi nh sng ch khng phi cht liu. Mt ngi vn quen thuc vi mu sc hin hu di dng in truyn thng, bi th ch en trn mt nn trng l mt ha sc thch hp gii hn cho nhng ng dng trn mn hnh. type for the screen and for other digital media Tng phn v sc: Trng | en

C nhiu l do quyt nh nh vy: mu trng c th hin trn mn hnh thng qua h thng mu cng tnh (additive color system), trn l thuyt l s pht sng ca mi mu vi cng ti a ca chng. Hn na, mu en c s dng cho ch lm i trng vi mt nn sng nh th, kt qu s l mt s tng phn tuyt i tng t nh loi tng phn hu sc b tc. C 2 nhn t ny u tc ng mnh n mt ngi. Mt cch gim tng phn l chuyn font ch sang mu xm m trn nn trng. type for the screen and for other digital media Tng phn v sc: Trng | en 80%

G ch trng trn mt mn hnh xm cng ng ngha vi vic gim tng phn-bi v cng gim sng ca nn th ta cng gim cng thng ca mt. type for the screen and for other digital media Tng phn v sc: en 80% | Trng

Mt khc, ch trng cng c th c t trn mt nn en tuyn (khng c nh sng) type for the screen and for other digital media Tng phn v sc: en | Trng

tng phn c th c hiu chnh cho tt hn bng cch i mu ch qua li gia mt mu xm nht v mt mu xm trung bnh. type for the screen and for other digital media Tng phn v sc: en 50% | Trng

type for the screen and for other digital media Tng phn v sc: en | Trng 80%

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Vi mt vi ngi, s phi hp gia ch mu trng/xm trn trn mt nn en/xm m d gy cm gic c on. Nu nn mu en li c em phi hp vi mt mu bc 1 hoc bc 2 s mang li nhng hiu qu r rt, v khng cn nghi ng g na v mt ngun sinh lc mi cho th gic, tuy nhin li gy cho ngi xem mt cm gic thiu thuyt phc. type for the screen and for other digital media Tng phn mu-v sc: en | Cyan

type for the screen and for other digital media Tng phn mu-v sc: en | Vng

Cng cn phi nhc ti s nguy hi ca sng thi qu v hiu ng lung linh thi qu do cng qu mnh ca mu nguyn. Mt nn trng c phi hp vi mt mu nguyn s gy cm gic rin rt, kh chu bi quang mnh ca mu v sng ca nn thm ch s khin cho ch tr nn kh c type for the screen and for other digital media Tng phn mu-v sc: Trng | Vng

type for the screen and for other digital media Tng phn mu-v sc: Trng | Xanh lam

Trn mt nn en, ngi ta thng thch s dng mt mu bc 3 vi bo ha mu/ no mu thp (trong mi so snh tng quan vi bo ha mu cao) hoc thay th nn en bng nn mu xm. type for the screen type for the screen and for other digital media and for other digital media

Tng phn mu-v sc: en | R40%, G55%, B65% en | R80%, G45%, B45%

Bn vn cn cn trng v chc chn rng mu xm ca nn khng c cng quang vi mu ch, nu khng bn s nh mt tng phn v phn ch (nht l cc fonts ch nh hn) s tr nn kh c. type for the screen and for other digital media Tng phn mu-v sc: en 30% | Xanh lc

Mt k t mu en t trn mu nn mt trang th trng s mnh m hn mt k t c mu trng vi mu ca trang v c t trn mt nn in en. l do s hp th nh sng ca b mt giy. Vi cc k t trn mn hnh nh hn, nguy c cc chi tit ca ch (c bit l cc loi serif fonts) b mt ht vo nn l rt ln.

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Trn mn hnh hin th, mi th li tri ngc hon ton. Khng ging nh cht liu, l do khin nn trng trng khng r nt bi nh sng phn quang ca n th t m l do ch yu li l s trng sng trn b mt c to ra bi s pha trn mu cng tnh, pht quang mc ti a m chng c th. iu ny c ngha l mt k t mu en (c to bi nh sng cht) xut hin m nht so vi nn, trong khi mt k t trng s hin din trn nn en mt cch r rng hn bi cng nh sng ca n. Nhng k t mu en thuc font c nh trn nn trng thng thiu mnh cn thit, thm ch trong cc trng hp chng ch c s dng cho cc hp thoi. Cp tng phn en-trng din ra mnh hn nhiu trn mn hnh so vi trn giy in. Trong trng hp ny s thch hp nht cho vic c vn bn l ch mu nht trn mt nn xanh lam m, s d cn nhn mnh iu ny nh thit k khi thit k cc kt xut trn mn hnh trnh vic c gng gi lp giy in, thay vo nn tip cn mn hnh nh mt thc th trung gian vi quyn hn ring, nhng qui lut v thuc tnh ring ca n.

Nhng hng dn tng t cng c p dng cho mt nn mu nguyn phi hp vi ch mu en t ln trn: quang ca mt mu nguyn c cho l qu sng nu c dng lm nn cho font ch mu en. type for the screen and for other digital media Tng phn mu-v sc: | en

Gii php ch mu xm m trn mt nn mu nguyn th v hn nhiu khi c. type for the screen and for other digital media Tng phn mu-v sc: | en 80%

Tng phn gia mt mu nguyn v mu trng thm ch d nhn thy hn. Nu thay v ch mu trng nguyn, ta s dng ch vi tone trng gim nh cho kt qu tng phn thp hn, khin ch d c hn. type for the screen and for other digital media Tng phn mu-v sc: | en 10%

Tng t nh th khi ch mu en c t trn mt mu nguyn c gim tone. type for the screen and for other digital media Tng phn mu-v sc: 70% | en

Cc mu bc 3 vi sng t thn mc cao s ph hp hn khi c s dng lm nn v thm ch chng c th phi hp tt vi mu en. Hiu ng c th c hiu chnh cho tt hn nu mu en c thay th bng mt mu xm m.

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type for the screen and for other digital media

Tng phn mu-v sc: R55% G80% B10% | en

type for the screen and for other digital media

Tng phn mu-v sc: R55% G80% B10% | en 80%

m bo kh nng d c ca ch, nh thit k phi tht cn trng m bo rng cc cp tng phn khng qu mnh hay qu yu. type for the screen type for the screen and for other digital media and for other digital media

Tng phn mu-v sc: R55%, G80%, B10% | en 30% R55%, G80%, B10% | en 10%

Cc cp tng phn hu sc b tc din ra trn mn hnh vi cng mnh hn nhiu so vi khi c in trn giy in bi mu sc trn mn hnh c to ra bng s pha trn ca nh sng. Xc cm th gic t c (nh vo cng ca nh sng c pht ra v thun khit ca mu) mt cch c bit rt thch hp thu ht s ch nhng khng d iu chnh cho cc b cc trnh by ch.

type for the screen and for other digital media Tng phn cp mu b tc

type for the screen and for other digital media Tng phn cp mu b tc

type for the screen and for other digital media Tng phn cp mu b tc

Hiu ng lung linh ca mu c th gy cho cc on text nh hp cng nh cc fonts ch nh tr nn kh c thm ch khng th c c do sng thi qu nhng cnh ra. Nhng cp mu b tc, hin hu vi quang thc mc cao, c th gy ra nhng nt vin sc i trng vi chng v lm bin mt gn nh ton b ch. Nu trang thit k phi t yu cu n tng v th gic, k n bn c php hiu chnh sc iu ca bo ha mu b tc hay c php s dng mt cp tng phn cn b tc (mt mu khng i din trc tip trn bnh xe mu) duy tr kh nng d c ca ch mc chp nhn c th ch s tr nn d c hn m vn khng lm mt i hiu qu tng th.

type for the screen and for other digital media Tng phn cp mu b tc

type for the screen and for other digital media Tng phn cp mu cn b tc

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Tng phn sng-ti, bng cch s dng gii php ch mu sng trn mt nn mu ti s to cm gic rt d chu cho mt: mu nn cng tin gn ti mu en th pht sng ca n cng lc cng gim thiu. type for the screen and for other digital media

Tng phn sng-tiNn ti

type for the screen and for other digital media

Tng phn sng-tiNn ti

Do vy m bo chc chn rng, d nn khng sng, trang thit k vn thu ht s ch ca ngi xem, nh thit k c th chn mt tone mu sng ng s dng lm mu ch. i vi nhng on text ngn hn hay trn nhng trang thit k m ngi c c th lt mt nhanh hn mt cht, cch thc phi mu c th c o ngc hoc mu ch c thit lp i trng vi mt mn hnh mu trng khin thit k trng c v ti tn. type for the screen and for other digital media

Tng phn sng-tiNn sng

type for the screen and for other digital media

Tng phn sng-tiNn sng

Mt nn ti va phi s thch hp s dng cho mt ch c bn v phi hp d dng vi cc mu rt ti hoc rt sng. Tuy vy nu ta s dng cc mu c cng quang s khin ch tr nn kh c. type for the screen and for other digital media

Tng phn sng-tiNn ti va phi

type for the screen and for other digital media

Tng phn sng-tiNn ti va phi

type for the screen and for other digital media

Tng phn sng-ti Mu nn v mu ch c cng quang

i vi nhng tng phn du mt, chng ta c th t c hiu qu bng cch s dng nhng cp tng phn nhit (2 mu c cng nhit c ly ra t nhng v tr lin tc trn bnh xe mu). Trong trng hp ny, nh thit k phi c bit ch n cc cung bc ca quang nu khng font ch nh s tr nn rt kh c. type for the screen and for other digital media

Tng phn nhit Tng phn lnh-lnh

Mt loi tng phn khc c th to ra mt ch t cn bng l loi tng phn da trn mt tone mu (tng phn ng tone). Trong trng hp ny c v y l mt s phi mu rt tng ng khin d c v dng nh loi tng phn ny ng vai tr tt hn vi t cch mt ch background, khi nhn gn, n cho php chng ta d dng nhn bit thng tin, mt logo nn hay mt tag.

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type for the screen and for other digital media Tng phn ng tone

type for the screen and for other digital media Tng phn ng tone

Mt tng phn ng tone c s dng lm nn cho php nh thit k b tr cc cu trc si ng quanh n v to ra mt cm gic chiu su: mt tone nht hn s ni bt ln trong khi tone m hn s li ra xa. i vi nhng nn c cu trc, nhng cp tng phn ng tone gip ta d qun xuyn v c th cho nhng hiu qu c bit khi nh thit k s dng ch chng ln chng. Nhng tr ngi gia tng trong trng hp nhng nn c cu trc khng ng nht m c s bin thin mnh v mt quang khin cc yu t dng nh chi hn ra ngoi. Thng tin trong khi text nhanh chng bin mt bi sc ht ca mt b ko vo cu trc ca nn.

Nn c cu trc

Ngi dch: Phm Xun Bch Dch t bn ting Anh bi vit Text & Color Contrasts ng trn tp ch in t ca LogoOrange Design Group 7/2007 trch bi vit Type for the internet and other digital ca tc gi Veruschka Gotz. NXB North Light Books Cincinati, tiu bang Ohio, Hoa K pht hnh.

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TNG PHN GIA CH V MU