rang

rang ya varn, chaakshuk ya aabhaasi kala ke mahatvapoorn ang hain.

varn ya rang hote hain, aabhaas bodh ka maanavi gun dharm hai, jismein laal, hara, neela, ityaadi hote hain. rang, maanavi aaainkhon ki varnakram se milne par chhaaya sambandhi gatividhiyon se se utpann hote hain. rang ki shreniyaaain evam bhautik vinirdesh jo hain, jude hote hain vastu, prakaash strot, ityaadi ki bhautik gunadharm jaise prakaash antarlayan, vilyan, samaaveshan, paraavartan ya varnakram utsarg par nirbhar bhi karte hain.

anukram

rangon ki bhautiki

anvarat prakaash varnakram (gaamma sudhaar-1.5 vaale pradarshakon hetu nirmit)

rang ke vaise to sirf paanch hi rup hote hain jisse anek rang bante hai. vaise mool rang 3 hote hain -- laal, neela, aur peela. inmein safed aur kaala bhi mool rang mein apna yogadaan dete hai. laal rang me agar peela mila diya jaaye, to kesariya rang banta hai. yadi neele mein peela mil jaaye, tab hara ban jaata hai. isi tarah se neela aur laal mila diya jaaye, tab jaamuni ban jaata hai.

rang

pratyaksh prakaash varnakram ke rang[1]
varn tarangadairghya antaraal aavrutti antaraal
laal ~ 630–700 nm ~ 480–430 THz
naarangi ~ 590–630 nm ~ 510–480 THz
peela ~ 560–590 nm ~ 540–510 THz
hara ~ 490–560 nm ~ 610–540 THz
neela ~ 450–490 nm ~ 670–610 THz
baingani ~ 400–450 nm ~ 750–670 THz
prakaash ke rang, tarang dairghya, aavrutti evam oorja
varn /nm /1014 Hz /104 cm−1 /eV /kJ mol−1
adhorakt >1000 <3.00 <1.00 <1.24 <120
laal 700 4.28 1.43 1.77 171
naarangi 620 4.84 1.61 2.00 193
peela 580 5.17 1.72 2.14 206
hara 530 5.66 1.89 2.34 226
neela 470 6.38 2.13 2.64 254
baingani 420 7.14 2.38 2.95 285
niktavarti paraabaingani 300 10.0 3.33 4.15 400
dooravarti paraabaingani <200 >15.0 >5.00 >6.20 >598

vastuon ke rang

The orange disk and the brown disk have exactly the same objective color, and are in identical gray surrounds; based on context differences, humans perceive the squares as having different reflectances, and may interpret the colors as different color categories; see same color illusion.


itihaas[2]

rang hajaaron varshon se hamaare jeevan mein apni jagah banaae hue hain. yahaaain aajkal krutrim rangon ka upayog joron par hai vaheen praarambh mein log praakrutik rangon ko hi upayog mein laate the. ullekhaneeya hai ki mohanajodado aur hadppa ki khudaai mein sindhu ghaati sabhyata ki jo cheejein mileen unamein aise bartan aur moortiyaaain bhi theen, jin par rangaai ki gayi thi. unamein ek laal rang ke kapde ka tukada bhi mila. visheshagyon ke anusaar is par majeeth ya majish‍aatha ki jad se taiyaar kiya gaya rang chadhaaya gaya tha. hajaaron varshon tak majeeth ki jad aur bakkam vruksh ki chhaal laal rang ka mukh‍aaya srot thi. peepal, goolar aur paakad jaise vrukshon par lagne waali lakh ki krumiyon ki laah se mahaaur rang taiyaar kiya jaata tha. peela rang aur sindoor haldi se praap‍aat hota tha.

rangon ki talaash

kreeb sau saal pehle pashchim mein hui audyogik kraanti ke falas‍aavaroop kapda udyog ka teji se vikaas hua. rangon ki khapat badhi. praakrutik rang seemit maatra mein upalabdh the isliye badhi hui maang ki poorti praakrutik rangon se sambhav naheen thi. aisi sthiti mein krutrim rangon ki talaash aarambh hui. unheen dinon royal college of kemistri, London mein William paarkeesan eneeleen se maleriya ki dava kunain banaane mein jute the. tamaam prayog ke baad bhi kunain to naheen ban paayi, lekin baingani rang zaroor ban gaya. mahaj sanyogavash 1856 mein taiyaar hue is krutrim rang ko mov kaha gaya. aage chalakar 1860 mein raani rang, 1862 mein enalon neela aur enalon kaala, 1865 mein bismaai bhoora, 1880 mein sooti kaala jaise raasaayanik rang astittv mein aa chuke the. shuroo mein yeh rang taarakol se taiyaar kiye jaate the. baad mein inka nirmaan kai anya raasaayanik padaarthon ke sahayog se hone laga. jarman rasaayanashaastri edolf phone ne 1865 mein krutrim neel ke vikaas ka kaarya apne haath mein liya. kai asafalataaon aur lambi mehnat ke baad 1882 mein ve neel ki sanrachana nirdhaarit kar sake. iske agale varsh raasaayanik neel bhi banane laga. is mahattvapoorn kaarya ke liye baiyar saahab ko 1905 ka Nobel puraskaar bhi praap‍aat hua tha.

Mumbai rang ka kaam karne waali kaamaraajaji naamak farm ne sabse pehle 1867 mein raani rang (majeinta) ka aayaat kiya tha. 1872 mein jarman rang vikretaaon ka ek dal elijirin naamak rang lekar yahaaain aaya tha. in logon ne bhaarateeya rangareinjon ke beech apna rang chalaane ke liye tamaam hathakande apanaae. aarambh mein unhonne namoone ke roop mein apne rang muft baante. baad mein achha khaasa byaaj vasoola. vanaspati rangon ke mukaabale raasaayanik rang kaafi saste the. inmein taatkaalik chamak-damak bhi khoob thi. yeh aasaani se upalabdh bhi ho jaate the. isliye hamaari praakrutik rangon ki parampara mein yeh rang aasaani se kbja jamaane mein kaamayaab ho gaye..[3]

sandarbh

baahari kadiyaaain