Module material_colors::contrast

Functions

• darker
  Returns a tone <= [tone] that ensures [ratio]. Return value is between 0 and 100. Returns -1 if [ratio] cannot be achieved with [tone].
• darker_unsafe
  Returns a tone <= [tone] that ensures [ratio]. Return value is between 0 and 100. Returns 0 if [ratio] cannot be achieved with [tone].
• lighter
  Returns a tone >= [tone] that ensures [ratio]. Return value is between 0 and 100. Returns -1 if [ratio] cannot be achieved with [tone].
• lighter_unsafe
  Returns a tone >= [tone] that ensures [ratio]. Return value is between 0 and 100. Returns 100 if [ratio] cannot be achieved with [tone].
• ratio_of_tones
  Returns a contrast ratio, which ranges from 1 to 21.