MaterialColor class Null safety

Defines a single color as well a color swatch with ten shades of the color.

The color's shades are referred to by index. The greater the index, the darker the color. There are 10 valid indices: 50, 100, 200, ..., 900. The value of this color should the same the value of index 500 and shade500.

See also:

  • Colors, which defines all of the standard material colors.
Inheritance

Constructors

MaterialColor(int primary, Map<int, Color> swatch)
Creates a color swatch with a variety of shades.
const

Properties

alpha int
The alpha channel of this color in an 8 bit value.
read-onlyinherited
blue int
The blue channel of this color in an 8 bit value.
read-onlyinherited
green int
The green channel of this color in an 8 bit value.
read-onlyinherited
hashCode int
The hash code for this object.
read-onlyinherited
opacity double
The alpha channel of this color as a double.
read-onlyinherited
red int
The red channel of this color in an 8 bit value.
read-onlyinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
shade50 Color
The lightest shade.
read-only
shade100 Color
The second lightest shade.
read-only
shade200 Color
The third lightest shade.
read-only
shade300 Color
The fourth lightest shade.
read-only
shade400 Color
The fifth lightest shade.
read-only
shade500 Color
The default shade.
read-only
shade600 Color
The fourth darkest shade.
read-only
shade700 Color
The third darkest shade.
read-only
shade800 Color
The second darkest shade.
read-only
shade900 Color
The darkest shade.
read-only
value int
A 32 bit value representing this color.
finalinherited

Methods

computeLuminance() double
Returns a brightness value between 0 for darkest and 1 for lightest.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited
withAlpha(int a) Color
Returns a new color that matches this color with the alpha channel replaced with a (which ranges from 0 to 255).
inherited
withBlue(int b) Color
Returns a new color that matches this color with the blue channel replaced with b (which ranges from 0 to 255).
inherited
withGreen(int g) Color
Returns a new color that matches this color with the green channel replaced with g (which ranges from 0 to 255).
inherited
withOpacity(double opacity) Color
Returns a new color that matches this color with the alpha channel replaced with the given opacity (which ranges from 0.0 to 1.0).
inherited
withRed(int r) Color
Returns a new color that matches this color with the red channel replaced with r (which ranges from 0 to 255).
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited
operator [](int index) Color?
Returns an element of the swatch table.
inherited