Ukeneye kugaragaza ibara ryo gucapisha kuri ecran? Guhindura CMYK muri RGB biguha ingero zishingiye ku rumuri z'izo percentages z'ink — ni byo monitor, mockup cyangwa urubuga bishobora kwerekana.
Uko guhindura CMYK ujya RGB bikora
- Hindura percentages enye zibe fractions hagati ya 0 na 1.
- Shyira imbere key component: buri channel igabanwa na (1 − K).
- Bara R = 255 × (1 − C) × (1 − K), G = 255 × (1 − M) × (1 − K) na B = 255 × (1 − Y) × (1 − K).
- Hinnya buri channel kugira ngo ibe imibare yuzuye hagati ya 0 na 255.
Urugero rwakozwe
Ni hafi gusa. Ecran ishobora kwerekana amabara menshi kurusha ibyo ink ishobora gukora, bityo ibisubizo bya RGB bikunze kugaragara bitangaje kandi bifite saturation nyinshi kurusha ibyo byacapishijwe.
CMYK na RGB bisobanuwe
Icyo CMYK ari cyo
CMYK ni modelu y'inkuru enye ikoreshwa mu icapiro: cyan, magenta, yellow na key (umukara), buri rimwe rigaragara nka percentage kuva 0 kugeza 100. Ikoresha inyandiko ikuraho urumuri aho kururekura, bityo CMYK ifata amabara make kurusha ecran — ari yo mpamvu amabara asobanutse ku ecran akenshi asa n'atarimo ubwo acapwe.
- Imiterere:
- cmyk(C%, M%, Y%, K%)
- Urutonde:
- 0–100% kuri buri ink
- Byiza kuri:
- icapiro, ipaki, ibikorwa biteguye gucapwa
Icyo RGB ari cyo
RGB isobanura ibara nka channel eshatu z'urumuri — umutuku, icyatsi na bleu — buri kimwe kuva 0 kugeza 255. Ihuza n'ukuntu ecran zikora: byose kuri 255 bitanga umweru, byose kuri 0 bitanga umukara. RGB ni cyo cyiza igihe ugomba gukora imibare ku ibara, kandi rgba() yongeza transparency hejuru.
- Imiterere:
- rgb(R, G, B)
- Urutonde:
- 0–255 kuri buri muyoboro
- Byiza kuri:
- code, canvas, transparency na rgba()
CMYK to RGB reference table
Amabara akunze gukoreshwa muri CSS, yahinduwe kuva CMYK ujya RGB.
| Ibara | CMYK | RGB |
|---|---|---|
| black | cmyk(0%, 0%, 0%, 100%) | rgb(0, 0, 0) |
| white | cmyk(0%, 0%, 0%, 0%) | rgb(255, 255, 255) |
| red | cmyk(0%, 100%, 100%, 0%) | rgb(255, 0, 0) |
| lime | cmyk(100%, 0%, 100%, 0%) | rgb(0, 255, 0) |
| blue | cmyk(100%, 100%, 0%, 0%) | rgb(0, 0, 255) |
| yellow | cmyk(0%, 0%, 100%, 0%) | rgb(255, 255, 0) |
| orange | cmyk(0%, 35%, 100%, 0%) | rgb(255, 166, 0) |
| teal | cmyk(100%, 0%, 0%, 50%) | rgb(0, 128, 128) |
| purple | cmyk(0%, 100%, 0%, 50%) | rgb(128, 0, 128) |
| gray | cmyk(0%, 0%, 0%, 50%) | rgb(128, 128, 128) |