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Spectrum

Version 1.0.0

Color loupe

A color loupe shows the output color that would otherwise be covered by a cursor, stylus, or finger during color selection.

Example of a color loupe showing a user's selected color from a color wheel that would otherwise be hidden by their finger on selection input.

Table of contents#

Anatomy#

Diagram showing the anatomy of the color loupe component. This component only contains a teardrop-shaped area to display color.

Options#

Example of a color loupe showing RGBa value (255, 0, 0, 0.34) on a color wheel, alongside the same value on a color area and a color slider.

Value#

The value represents the output color (with optional opacity) of one or more color input components (color area, color slider, or color wheel). This is what is being displayed inside the loupe.

Table of options#

From the design point of view, each component has a number of options. These options and their names are platform agnostic, and each implementation should adapt these to fit into their framework.

PropertyValuesDefault Value
value
color (with optional opacity)
–

Usage guidelines#

Display combined values#

Color selection usually happens using a variety of input methods (color area, color slider, color wheel). The color loupe should display the final output color: the combined values from multiple color inputs.

The number of input methods is determined by the color space (or “mode”), for example:

  • 2 controls: HSL using color wheel (hue) and color area (saturation and lightness)
  • 3 controls: RGB using unique color sliders for Red, Green, and Blue
  • 4 controls: RGBa using unique color sliders for Red, Green, Blue, and Alpha
Example of a color loupe showing the output color from a variety of inputs: a color area, a color slider, and a color wheel.

Changelog#

DateNumberNotes
May 13, 20201.0.0
  • This component has been added to the website

Design checklist#

N/A

All interactive states

Includes all interactive states that are applicable (hover, down, focus, keyboard focus, disabled).

N/A

Multiple options

Includes relevant options (variant, style, size, orientation, optional iconography, decorations, selection, error state, etc.)

All color themes

Works properly across all four color themes (lightest, light, dark, darkest).

All platform scales

Includes a desktop scale (UWP, macOS, web desktop) and a mobile scale (iOS, Android, web mobile).

N/A

Defined behaviors

Includes guidelines for layout (wrapping, truncation, overflow), animation, interactions, etc.

Usage guidelines

Includes a list of dos and don’ts that highlight best practices and common mistakes.

N/A

Accessible contrast

Follows WCAG 2.0 standards for contrast (AA).

N/A

Internationalization guidelines

Works properly across various locales and includes guidelines for bi-directionality (RTL).

N/A

Keyboard interactions

Follows WCAG 2.0 standards for keyboard accessibility guidelines and includes a description of the keyboard interactions.

Generated UI kit

Includes a downloadable XD file that has been generated by code and shows multiple variations, states, color themes, and scales.

Design tokens

All design attributes (color, typography, layout, animation, etc.) are included in Spectrum DNA.