lab_to_hsl {schemr}

Convert Lab to HSL

Description

Convert Lab to HSL

Usage

lab_to_hsl(lab, transformation = "sRGB", linear_func = NULL)

Arguments

lab

A dataframe or matrix with L, a and b colour channels located in the columns 1 to 3, respectively.

transformation

An option in c("sRGB", "Adobe") for a built-in transformation or, alternatively, a custom 3x3 transformation matrix.

linear_func

A function to convert RGB colour space into linear RGB space. Used only if a custom transformation matrix is provided. Transformation skips if no function is provided under a user-defined transformation matrix. See: https://en.wikipedia.org/wiki/SRGB.

Value

A tibble of H, S and L colour channels.