Area Lighting / Colorimetry IEV ref 845-03-54 en CIE 1976 L* u* v* colour spaceCIELUV colour space three-dimensional, approximately uniform colour space produced by plotting in rectangular coordinates L* u* v* quantities defined by the equations $\left\{\begin{array}{l}\text{\hspace{0.17em}}\text{\hspace{0.17em}}\text{\hspace{0.17em}}{L}^{\ast }=116{\left(Y/{Y}_{\text{n}}\right)}^{1/3}-16\text{ }\text{}Y/{Y}_{\text{n}}>\text{0,008}\text{\hspace{0.17em}}\text{856}\\ \text{\hspace{0.17em}}\text{\hspace{0.17em}}\text{\hspace{0.17em}}{u}^{\ast }=13{L}^{\ast }\left({u}^{\prime }-{{u}^{\prime }}_{\text{n}}\right)\\ \text{\hspace{0.17em}}\text{\hspace{0.17em}}\text{\hspace{0.17em}}{v}^{\ast }=13{L}^{\ast }\left({v}^{\prime }-{{v}^{\prime }}_{\text{n}}\right)\end{array}$ Y, u′, v′ describe the colour stimulus considered and Yn, u′n, v′n describe a specified white achromatic stimulus Note – Approximate correlates of lightness, saturation, chroma, and hue may be calculated as follows: CIE 1976 lightness: L* = 116 (Y/Yn)1/3 − 16 where Y/Yn > 0,008 856 CIE 1976 u, v saturation: suv = 13 [(u′ − u′n)2 + (v′ − v′n)2]1/2 CIE 1976 u, v chroma: C*u, v = (u*2 + v*2)1/2 = L*suv CIE 1976 u, v hue-angle: hu, v = arctan [(v′ − v′n)/(u′ − u′n)] = arctan (v*/u*) [SOURCE: CIE Publication No. 15.2] fr espace chromatique L* u* v* CIE 1976, mespace chromatique CIELUV, m espace chromatique à trois dimensions approximativement uniforme, obtenu en portant en coordonnées rectangulaires les grandeurs L* u* v* définies par les équations $\left\{\begin{array}{l}\text{\hspace{0.17em}}\text{\hspace{0.17em}}\text{\hspace{0.17em}}{L}^{\ast }=116{\left(Y/{Y}_{\text{n}}\right)}^{1/3}-16\text{ }\text{}Y/{Y}_{\text{n}}>\text{0,008}\text{\hspace{0.17em}}\text{856}\\ \text{\hspace{0.17em}}\text{\hspace{0.17em}}\text{\hspace{0.17em}}{u}^{\ast }=13{L}^{\ast }\left({u}^{\prime }-{{u}^{\prime }}_{\text{n}}\right)\\ \text{\hspace{0.17em}}\text{\hspace{0.17em}}\text{\hspace{0.17em}}{v}^{\ast }=13{L}^{\ast }\left({v}^{\prime }-{{v}^{\prime }}_{\text{n}}\right)\end{array}$ Y, u′, v′ représentent le stimulus de couleur considéré et Yn, u′n, v′n un stimulus achromatique spécifié de couleur blanche Note – Les correspondants approximatifs de clarté, saturation, chroma et teinte peuvent être calculés comme suit: clarté CIE 1976: L* = 116 (Y/Yn)1/3 − 16 où Y/Yn > 0,008 856 saturation u, v CIE 1976: suv = 13 [(u′ − u′n)2 + (v′ − v′n)2]1/2 chroma u, v CIE 1976: C*u, v = (u*2 + v*2)1/2 = L*suv angle de teinte u, v CIE 1976: hu, v = arctan [(v′ − v′n)/(u′ − u′n)] = arctan (v*/u*) [SOURCE: Publication CIE N° 15.2] ar المواصفة القياسية للأبعاد الثلاثية للألوان في الفراغ للجنة الإنارة الدولية de L* u* v* Farbenraum CIE 1976, mCIELUV-Farbenraum, m es espacio de color CIELUV fi CIE:n vuoden 1976 Luv-väriavaruusCIELUV-väriavaruus it spazio colorimetrico L u v ko 시아이이 1976 L* u* v* 색공간시아이이엘유브이 색공간 ja CIE 1976 L* u* v*色空間 no nb CIE 1976 L* u* v* fargerom, CIELUV-fargerom nn CIE 1976 L* u* v* fargerom, CIELUV-fargerom pl przestrzeń barw CIE 1976 (L*, u*, v*) przestrzeń barw CIELUV pt espaço cromático L*u*v* CIE 1977espaço cromático CIELUV sv CIELUV-rymd