Color class
A color utility class.
Provides conversion between different color representations.
Constructors
- Color.fromHex(String hex)
-
Deprecated; use parse instead.
factory
- Color.fromRgb(int r, int g, int b)
- Deprecated; use rgb instead.
- Color.fromRgbString(String rgb)
-
Deprecated; use parse instead.
factory
- Color.rgb(int r, int g, int b)
-
RGB color.
const
- Color.rgba(int red, int green, int blue, num alpha)
-
RGB color with an alpha channel.
const
Properties
- alpha → num
-
Alpha channel.
final
- blue → int
-
Color channels.
final
- green → int
-
Color channels.
final
- hashCode → int
-
The hash code for this object.
no setteroverride
- hexString → String
-
Returns this as a string in #rrggbb or #rrggbbaa hex notation.
no setter
- red → int
-
Color channels.
final
- rgbString → String
-
Returns this as a string in rgb() or rgba() functional notation.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
contrastRatio(
Color background) → num - The contrast ratio against a background color, as specified by https://www.w3.org/TR/2008/REC-WCAG20-20081211/#contrast-ratiodef.
-
distanceFrom(
Color other) → int - Calculates the square of the Euclidean distance from another color.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
override
-
withAlpha(
num a) → Color - Creates a copy with the given alpha channel value.
-
withBackground(
Color background) → Color - Resolves against a background color.
Operators
-
operator ==(
Object o) → bool -
The equality operator.
override