OklabColor class

A color in the Oklab color space.

The Oklab color space contains channels for lightness, a (red and green opponent values), and b (blue and yellow opponent values.)

See: https://bottosson.github.io/posts/oklab/

Inheritance

• Object
• ColorModel
• OklabColor

Annotations

• @immutable

Constructors

OklabColor(double lightness, double a, double b, [int alpha = 255])

A color in the Oklab color space.

const

OklabColor.from(ColorModel color)

Constructs an OklabColor from color.

factory

OklabColor.fromHex(String hex)

Constructs an OklabColor from a RGB hex color.

factory

OklabColor.fromList(List<num> values)

Constructs an OklabColor from a list of lab values.

factory

OklabColor.random({double minLightness = 0.0, double maxLightness = 1.0, double minA = 0.0, double maxA = 1.0, double minB = 0.0, double maxB = 1.0, int? seed})

Generates an OklabColor at random.

factory

Properties

a → double

The red to green opponent color value.

final

alpha → int

The alpha value of this color.

final, inherited

b → double

The yellow to blue opponent color value.

final

chroma → double

Calculates a value representing this color's lightness on a linear scale.

no setter, inherited

hashCode → int

The hash code for this object.

no setter, override

hex → String

Returns this as a hexidecimal string.

no setter, inherited

hue → num

Gets the hue value of this color.

no setter, inherited

inverted → OklabColor

Inverts the values of this ColorModel, excluding alpha, in its own color space.

no setter, override

isBlack → bool

Returns true if this color is pure black.

no setter, override

isMonochromatic → bool

Returns true if this color is monochromatic.

no setter, override

isWhite → bool

Returns true if this color is pure white.

no setter, override

lightness → double

Lightness represents the black to white value.

final

opacity → double

The alpha value as a double normalized to a 0.0 to 1.0 range.

no setter, inherited

opposite → OklabColor

Returns the color with the hue opposite of this colors'.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

saturation → num

The saturation value of this color. Color spaces without a saturation value will be converted to HSL to retrieve the value.

no setter, inherited

Methods

castTo(ColorModel other) → ColorModel

Converts this color to other's color space.

inherited

convert(ColorModel other) → OklabColor

Converts other to this color's color space.

override

cooler(num amount, {bool relative = true}) → OklabColor

Adjusts the hue of this color by amount towards 270 degrees, capping the value at 270.

override

copyWith({double? lightness, double? a, double? b, int? alpha}) → OklabColor

Returns a copy of this color modified with the provided values.

override

distanceTo(ColorModel color) → double

Returns the distance between this color's hue and color's hue in degrees.

inherited

equals(ColorModel color) → bool

Compares colors in the RGB color space.

inherited

interpolate(ColorModel end, double step) → OklabColor

Interpolates to step between this and end.

override

lerpTo(ColorModel color, int steps, {ColorSpace? colorSpace, bool excludeOriginalColors = false}) → List<OklabColor>

Returns the interpolated steps between this color and color.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

rotateHue(num amount) → OklabColor

Rotates the hue of this color by amount in degrees.

override

rotateHueRad(double amount) → OklabColor

Rotates the hue of this color by amount in radians.

override

toCmykColor() → CmykColor

Converts this to the CMYK color space.

inherited

toHsbColor() → HsbColor

Converts this to the HSB color space.

inherited

toHsiColor() → HsiColor

Converts this to the HSI color space.

inherited

toHslColor() → HslColor

Converts this to the HSL color space.

inherited

toHspColor() → HspColor

Converts this to the HSP color space.

inherited

toLabColor() → LabColor

Converts this to the LAB color space.

inherited

toList() → List<double>

Returns a fixed-length list containing the lightness, a, and b values, in that order.

override

toListWithAlpha() → List<num>

Returns a fixed-length list containing the lightness, a, b, and alpha values, in that order.

override

toOklabColor() → OklabColor

Converts this to the Oklab color space.

override

toRgbColor() → RgbColor

Converts this to the RGB color space.

override

toString() → String

A string representation of this object.

override

toXyzColor() → XyzColor

Converts this to the XYZ color space.

inherited

warmer(num amount, {bool relative = true}) → OklabColor

Adjusts the hue of this color by amount towards 90 degrees, capping the value at 90.

override

withAlpha(int alpha) → OklabColor

Returns this OklabColor modified with the provided alpha value.

override

withChroma(double chroma) → OklabColor

Converts this color to the Oklab color space, calculates and applies a new lightness value from the proivded chroma value, and converts it back to the original color space.

override

withHue(num hue) → OklabColor

Returns this OklabColor modified with the provided hue value.

override

withOpacity(double opacity) → OklabColor

Returns this ColorModel with the provided opacity value.

override

withValues(List<num> values) → OklabColor

Returns a color in this color's color space with the values provided.

override

Operators

operator ==(Object other) → bool

The equality operator.

override