Na o hloka ho bontša 'mala oa khatiso skrineng? Ho fetolela CMYK ho RGB ho u fa tekanyo e thehiloeng ho leseli ea liphesente tsa ink — boleng boo moniter, mockup kapa leqephe la webo li ka bo bontšang.
Mokhoa oa ho fetoha ho tloha CMYK ho ea ho RGB
- Pheta liphesente tsohle ho e-ba likarolo pakeng tsa 0 le 1.
- Sebelisa karolo ea key pele: channel e 'ngoe le e 'ngoe e atisetsoa ka (1 − K).
- Bala R = 255 × (1 − C) × (1 − K), G = 255 × (1 − M) × (1 − K) le B = 255 × (1 − Y) × (1 − K).
- Potoloha channel ka 'ngoe hore e be nomoro e felletseng pakeng tsa 0 le 255.
Mohlala o sebetsang
Ke kakaretso. Skrini se ka bontša mebala e mengata ho feta eo ink e ka e hlahisang, kahoo sephetho sa RGB hangata se shebahala se khanya haholo 'me se na le saturation e phahameng ho feta taba e hatisitsoeng.
CMYK le RGB li hlalositsoe
Ke eng CMYK?
CMYK ke mohlala oa ink o nang le mebala e mene o sebelisoang khatisong: cyan, magenta, yellow le key (black), e ' ngoe le e ' ngoe e le porsente ho tloha 0 ho isa 100. Ink e tlosa leseli ho e-na le ho e hlahisa, kahoo CMYK e akaretsa mebala e fokolang ho feta skrine — ke ka lebaka leo mebala e khanyang ea skrine hangata e shebahalang e sa khanye ha e hatsetse.
- Sinthaxe:
- cmyk(C%, M%, Y%, K%)
- Mekhahlelo:
- 0–100% ka ink
- E loketse bakeng sa:
- khatiso, liphutheloana, mesebetsi e loketseng ho hatsetsa
Ke eng RGB?
RGB e hlalosa 'mala e le litsela tse tharo tsa leseli — red, green le blue — e ' ngoe le e ' ngoe ho tloha 0 ho isa 255. E bontša kamoo skrine e sebetsang ka teng: tse tharo kaofela ho 255 li fana ka tšoeu, kaofela ho 0 li fana ka ntsho. RGB ke khetho e nepahetseng ha o hloka ho bala le 'mala, 'me rgba() e eketsa ho pepeseha ka holim'a eona.
- Sinthaxe:
- rgb(R, G, B)
- Mekhahlelo:
- 0–255 ka tsela
- E loketse bakeng sa:
- khoutu, canvas, pepeseho ka rgba()
CMYK to RGB reference table
Mebala e tlamehang ka CSS, e fetotsoe ho tswa ho CMYK ho ea ho RGB.
| 'Mala | 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) |