Babban Lauya (CCT)yana nufin yanayin zafin launi mai alaƙa (sau da yawa ana rage shi zuwa zafin launi). Yana bayyana launi, ba hasken tushen haske ba, kuma ana auna shi da Kelvins (K) maimakon digiri Kelvin (°K).

Kowace irin farin haske tana da launinta, tana faɗuwa a wani wuri a kan launin amber zuwa shuɗi. Ƙaramin CCT yana kan ƙarshen launin amber, yayin da babban CCT yana kan ƙarshen launin shuɗi da fari.

Don tunani, kwararan fitilar incandescent na yau da kullun suna da kusan 3000K, yayin da wasu sabbin motoci suna da fitilun Xenon masu haske waɗanda ke da 6000K.

A ƙasan ƙasa, hasken "dumi", kamar kyandir ko hasken wuta mai haske, yana haifar da jin daɗi da annashuwa. A saman sama, hasken "mai sanyi" yana ɗagawa da ɗaukaka, kamar sararin sama mai haske mai shuɗi. Zafin launi yana haifar da yanayi, yana shafar yanayin mutane, kuma yana iya canza yadda idanunmu ke fahimtar cikakkun bayanai.

ƙayyade zafin launi

Zafin launiYa kamata a ƙayyade shi a cikin na'urorin sikelin zafin Kelvin (K). Muna amfani da Kelvin akan gidan yanar gizon mu da takaddun bayanai saboda hanya ce mai kyau ta lissafa zafin launi.

Duk da cewa ana amfani da kalmomi kamar fari mai ɗumi, fari na halitta, da hasken rana don bayyana yanayin zafin launi, wannan hanyar na iya haifar da matsaloli saboda babu cikakken ma'anar ƙimar CCT (K) ɗinsu.

Misali, wasu na iya amfani da kalmar "farin ɗumi" don bayyana hasken LED mai ƙarfin 2700K, amma wasu kuma na iya amfani da kalmar don bayyana hasken 4000K!

Shahararrun masu bayanin yanayin zafi na launi da kuma kimantawarsu. Ƙimar K:

Fari Mai Dumi 2700K

Fari Mai Dumi 3000K

Fari Mai Tsaka Tsaki 4000K

Fari Mai Sanyi 5000K

Hasken Rana 6000K