CSS umbala izakhiwo. umbala amakhodi

Omunye amathuluzi ukushintsha izitayela ikhasi lewebhu - umbala CSS. Kunezindlela eziningana ukuze ushintshe lokhu kulungiselelwa. Ngamunye has kokubili ngebuhle nebubi.

igama

Impahla umbala usetha umbala lento. 145 shades zezihloko kufakwe CSS. Phakathi kwabo kukhona elula (ezifana black, okwesibhakabhaka) futhi eziyinkimbinkimbi (ezifana njengegazi, lawngreen).

Ngoba lonke uhlu kanzima ukukhumbula, igama ishidi isitayela asetshenziswa akuvamile.

RGB

Iningi ama-TV, ama-smartphone, Abaqaphi sisebenze RGB imodeli umbala. Okungukuthi, noma yimuphi umbala lingasethwa inhlanganisela imibala eyinhloko, okuyizinto abomvu, aluhlaza okwesibhakabhaka. . Indlela efanayo isetshenziswa kokubili amadivaysi, futhi CSS. основного состава принимают значения от 0 до 255. А количество возможных оттенков равно 16777216. Imibala kukhona Ukwakheka azithathe eziyisisekelo amagugu kusuka 0 kuya 255. Inani imibala kunokwenzeka ilingana 16777216.

Njengoba imodeli RGB kuhlobene imithetho yemvelo umbala imaging, elimnyama obekiwe kuyona njengoba rgb (0, 0, 0), omhlophe - rgb (255, 255, 255). RGBA uhlelo efanayo ngokuphelele RGB, ne ukwengeza isiteshi alpha. Kuthinta obala, okuyinto ihlangana ne umthunzi ngemuva. Kuleli fomu timphawu kuzohluka ngokuvumelana "substrate".

HSL

Ukuze uqonde ukuthi isistimu HLS, udinga ukuhambisa isondo umbala. Maphakathi nalo zibomvu, bese (ngokwewashi) yonke eminye imibala rainbow. цвета при помощи системы HLS требуется задать три параметра: Ukuze sithole imibala CSS usebenzisa uhlelo HLS kudinga imingcele ezintathu:

• luhlaza (ngokwamazinga) - isiqondiso isikhungo umbuthano;
• ukugcwaliswa (iphesenti) - kangakanani umbala udinga;
• ukugqama (in amaphesenti).

Ngokwesibonelo, onsomi kungaba azimisele ngendlela: HSL (315, 100%, 45%). HSL kuyinto elula kakhulu ucwaningo. Ngemva kokutadisha isondo umbala, ungakwazi ngesikhathi ebuka Olwandisekayo cishe okumela umbala usethe malware ngesici esithile. HSLA - efanayo HLS, kuphela-alpha: HSL (0, 100%, 50, 0.6) - obomvu, okusobala kancane ngaphezu kwesigamu.

HEX

CSS цвета можно задать, используя шестнадцатеричное представление, например оранжевый определяется значением #FF4500 . Ngo-CSS, ungasetha umbala usebenzisa umfanekiso-hexadecimal, ezifana orange kunqunywa FF4500 Inani #.

Ukuze uthole ukuqonda kangcono ukuthi ukumelwa-hexadecimal, kufanele olunye cabanga uhlelo ledesimali. Kuyinto inombolo kusuka 0 kuya 9. Uma isidingo ekubaleni inombolo enkulu 9, omunye kancane sengezwe, futhi uphendulela 10, bese 100, nokunye. E. Zonke nse e notation-hexadecimal, kodwa ngemva 9 A, ke B, nokunye ukuze F - kuyafana 15 ohlelweni ledesimali. Bese wengeza idijithi elilodwa, futhi kuvela 10 16 e imigomo evamile.

Njengoba e RGB, HEX imibala ukuze ukhombise kulokho olinganise ukusebenzisa imibala eyinhloko. Kulokhu, kungukuthi ahlukaniswe ikhefana (color: # FFD500). Njalo abadlali ababili bacacise inani labantu abomvu, aluhlaza okwesibhakabhaka.

CSS. Njengomthetho, HEX uhlelo alisetshenziswa phakathi ucwaningo, ngenxa yokuthi kunzima ukuthola ilungelo CSS umbala. может помочь в этом деле, но если постоянно сверяться с ней, работа затянется. Ithebula kungasiza kule ndaba, kodwa uma njalo usibize, umsebenzi izobanjezelwa. ukumelwa hexadecimal kuyinto elula kakhulu uma isifanekiso budluliselwe kusuka umhleli wezithombe. Kulula kakhulu ukukopisha kusuka idijithi kuphela eyodwa ukudlula ukujikisa okuthathu.

Yikuphi indlela engcono?

Ngenxa yalokhu asikwazi ukusho lutho ukhonkolo. Uma izakhi kokusetshenziswa kubonwa kudingeka obala, khetha phakathi RGBA futhi HSLA. Uma ufisa ukuba ulinge e isondo umbala isiphequluli HLS kuyoba elula kakhulu. Uma usebenzisa palette noma uthumele tisuke Photoshop, kufanele uthanda CSS hexadecimal umbala amakhodi.