COLR/CPAL(v0) Font Formats
The COLR table adds support for multi-colored glyphs in a manner that integrates with the rasterizers of existing text engines. COLRv0 only supports pure colors, does not support gradients, transformations and various blending modes.
COLR/CPAL(v1) Font Formats
COLRv1 is an improved version of COLRv0, this is also part of the OpenType specification. COLRv1 supports additional graphic capabilities. In addition to solid colors, gradient fills can be used, as well as more complex fills using other graphic operations, including affine transformations and various blending modes.
CSS caret-color
The `caret-color` property allows the color to be set of the caret (blinking text insertion pointer) in an editable text area.
CSS print-color-adjust
The `print-color-adjust` (or `-webkit-print-color-adjust` as prefixed in WebKit/Blink browsers) property is a CSS extension that can be used to force printing of background colors and images.
CSS color() function
The CSS `color()` function allows the browser to display colors in any color space, such as the P3 color space which can display colors outside of the default sRGB color space.
LCH and Lab color values
The `lch()` and `lab()` color functions are based on the CIE LAB color space, representing colors in a way that closely matches human perception and provides access to a wider spectrum of colors than offered by the usual RGB color space.
Rebeccapurple color
The new color added in CSS Color Module Level 4
CSS Relative colors
The CSS Relative Color syntax allows a color to be defined relative to another color using the `from` keyword and optionally `calc()` for any of the color values.
#rrggbbaa hex color notation
The CSS Color Module Level 4 defines new 4 & 8 character hex notation for color to include the opacity level.
CSS3 Colors
Method of describing colors using Hue, Saturation and Lightness (hsl()) rather than just RGB, as well as allowing alpha-transparency with rgba() and hsla().
Color input type
Form field allowing the user to select a color.
theme-color Meta Tag
Meta tag to define a suggested color that browsers should use to customize the display of the page or of the surrounding user interface. The meta tag overrides any theme-color set in the web app manifest.
CSS3 Multiple column layout
Method of flowing information in multiple columns
prefers-color-scheme media query
Media query to detect if the user has set their system to use a light or dark color theme.
errorevent api: colno
hiddevice api: collections
imagedata api: colorspace
range api: collapse
range api: collapsed
range api: collapse: `tostart` parameter is optional
screen api: colordepth
selection api: collapse
selection api: collapsetoend
selection api: collapsetostart
selection api: collapse: `node` parameter is nullable
selection api: collapse: `offset` parameter is optional
videoframe api: colorspace
css property: color-scheme
css property: column-count
css property: column-fill
css property: column-gap
css property: column-rule
css property: column-span
css property: column-width
css property: columns
css selector: column combinator (`a || b`)
html element: col
html element: colgroup
html element: colgroup: align
html element: colgroup: char
html element: colgroup: charoff
html element: colgroup: span
html element: colgroup: valign
html element: colgroup: width
html element: col: align
html element: col: char
html element: col: charoff
html element: col: span
html element: col: valign
html element: col: width
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