sel ska lujvo

x₁ (abstraction) is the color of x₂

In notes:

selskaclunarviska'e: x₁=k₁ has achromatopsia/total colour blindness/maskun under condition x₂=k₃
selskanarviska'e: k₁ is colour blind/unable to see colours under conditions k₃ (event/state)
zilska: x₁ (abstract) is a color