CIE Luv色空間
u ′ = u ∗ 13 L ∗ + u n ′ v ′ = v ∗ 13 L ∗ + v n ′ Y = { Y n ⋅ L ∗ ⋅ ( 3 29 ) 3 , L ∗ ≤ 8 Y n ⋅ ( L ∗ + 16 116 ) 3 , L ∗ > 8 X = Y ⋅ 9 u ′ 4 v ′ Z = Y ⋅ 12 − 3 u ′ − 20 v ′ 4 v ′ {\displaystyle {\begin{aligned}u^{\prime }&={\frac {u^{*}}{13L^{*}}}+u_{n}^{\prime }\\v^{\prime }&={\frac {v^{*}}{13L^{*}}}+v_{n}^{\prime }\\Y&={\begin{cases}Y_{n}\cdot L^{*}\cdot \left({\frac {3}{29}}\right)^{3},&L^{*}\leq 8\\Y_{n}\cdot \left({\frac {L^{*}+16}{116}}\right)^{3},&L^{*}>8\end{cases}}\\X&=Y\cdot {\frac {9u^{\prime }}{4v^{\prime }}}\\Z&=Y\cdot {\frac {12-3u^{\prime }-20v^{\prime }}{4v^{\prime }}}\\\end{aligned}}}