greyscale

Sets a gray color with the same lightness as the input color.

Arguments

• color - The color to convert to greyscale as RGB array.

Example

{
  "$template": {
    "$comment": "The field below will be [0.6, 0.6, 0.6]",
    "test": "{{greyscale([0.3, 0.6, 0.9])}}"
  }
}