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Contents
module Facades
module SassExtensions
module Color
# Check the luminance of color. This differs from lightness as it returns the actual values as 'light' and 'dark'
def luminance(color)
assert_type color, :Color
result = ((color.red * 299) + (color.green * 587) + (color.blue * 114) / 1000)
Sass::Script::String.new( result >= 160 ? 'light' : 'dark')
end
# Tint a color by mixing it with white
def tint(color, dilution = Sass::Script::Number.new(50))
assert_type color, :Color
white = Sass::Script::Color.new([255, 255, 255, 1])
assert_type dilution, :Number
mix(color, white, Sass::Script::Number.new(100 - dilution.value))
end
# Shade a color by mixing it with black
def shade(color, dilution = Sass::Script::Number.new(50))
assert_type color, :Color
black = Sass::Script::Color.new([0, 0, 0, 1])
assert_type dilution, :Number
mix(color, black, Sass::Script::Number.new(100 - dilution.value))
end
end # Color
end # SassExtensions
end # Facades
Version data entries
9 entries across 9 versions & 1 rubygems