This is how color palettes are defined in angular material.
Scss mat color.
Angular material2 uses a utility scss file styles scss which like theme scss is located in src and automatically compiles.
The darken function decreases lightness by a fixed amount which is often not the desired effect.
Generating angular material custom color palette.
I am hoping to have the background of a mat sidenav the same as my mat toolbar theme color.
The numbers behind the palette variable name select particular shades of chosen color for default lighter and darker variants if no numbers are provided.
The color names and values themselves are taken from the official material design color guidelines.
You can find theming file here.
Theme scss and custom component themes scss in our main styles scss and include their mixins so our updated file will look like below.
In src styles scss i have.
By simply importing the theme scss into styles scss you can tap into.
Let s import both.
To make a color a certain percentage darker than it was before use color scale instead.
Mat palette takes a base palette yes that s another palette more on that in a second and returns a new palette that comes with material specific hue color values for light.
My first attempt was to create the color variables in the theme scss directly that s wrong because it would include mat core and angular material theme every time we.
What you shouldn t do.
The next thing we need to do is to generate color palettes which can then be composed to an actual theme.
To generate a color palette we can use angular material s mat palette mix in.
Adjust color color red green blue hue saturation lightness alpha adjusts one or more parameters by the specified amount.
Adjusts the color s hue with a degree from 360deg to 360deg.
However if you have to preserve the existing behavior darken.
This function adds or subtracts the specified amount to from the existing color value.
Angular material theme definition file.