colour.constants.CONSTANT_K_M

colour.constants.CONSTANT_K_M = 683.0

Rounded maximum photopic luminous efficiency \(K_m\) value in \(lm\cdot W^{-1}\).

CONSTANT_K_M : numeric

Notes

  • To be adequate for all practical applications the \(K_m\) value has been rounded from the original 683.002 value.

References

[WS00g]