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| − | === Colors ===
| + | {{:OLPC Human Interface Guidelines/The Sugar Interface/Colors}} |
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| − | ====Imbuing Color with Meaning====
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| − | Sugar treats color differently than the typical UI: colors are used in the interface represent the ''individuals'' who are interacting within the mesh, not the activities or objects they are using. Children personalize their laptops and their presence on the mesh by selecting a dual-tone color scheme. All of the activities, objects, and comments belonging to a child take on her own colors—even when they appear on the laptops of other children on the mesh—forming a visual identity that supplements her name and attributes. | + | {{:OLPC Human Interface Guidelines/The Sugar Interface/Fonts}} |
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| − | This color treatment extends even within activities. For instance, in the Web activity a link-sharing feature encourages children to browse the web in groups, sharing interesting or useful pages with each other. Each URL object posted for the others to view appears in the colors of the child who posted the link. Similarly, chat bubbles on the Bulletin Board take on the children's colors. Likewise, any object, text, or other interface element within your activities that corresponds to a particular child should be rendered in this manner.
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| − | To maintain a degree of purity to this system, interface elements, buttons, and other icons that belong solely to the activity and not to any particular child should remain in grayscale to the extent possible.
| + | {{:OLPC Human Interface Guidelines/The Sugar Interface/Rollovers}} |
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| − | When the display runs in grayscale mode, this colored visual identity is less apparent. However, significant differences in value, according to the Munsell System, ensure that the XOs retain a level of visual distinction even in the absence of color.
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| − | ====Contrast in the Munsell Colorspace====
| + | {{:OLPC Human Interface Guidelines/The Sugar Interface/Controls}} |
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| − | The basic color scheme for the laptop is constrained by the need to work in both color (backlight mode) and grayscale (reflective mode); thus we have chosen guidelines that ensure at least some achromatic contrast under all conditions. Further, sustained legibility of text is accomplished by a combination of colors whose achromatic contrast is large and whose chromatic energy is of low to moderate level. For this reason, we are striving for achromatic contrast of at least two [[Munsell]] value steps.
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| − | The default value for the Frame is N2.5; the default value for the background is N9. Therefore, to maintain sufficient contrast, the line values for icons that appear on both the Frame and the background should range between N5 and N7. The interior fill of those icons should maintain achromatic contrast with the line value, e.g., the fill color for an icon with a line value of N5 should be either ≤N3 or ≥N7.
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| − | <table cellspacing='50' style='margin: 1em auto 1em auto'><tr><td>
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| − |
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| − | {|border=1 cellpadding=1 cellspacing=0 style="margin: 1em auto 1em auto; border: 1px #666666 solid; border-collapse: collapse; background: #f9f9f9;"
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| − | |+Munsell Value Steps
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| − | !style="background:#cccccc"|Fill color!!style="background:#cccccc"|Line value 5
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| − | |-
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| − | |N10
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| − | |style="background:#FFFFFF; color:#7A7A7A"|'''delta 5 value steps'''
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| − | |-
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| − | |N9
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| − | |style="background:#E4E4E4; color:#7A7A7A"|'''delta 4 value steps'''
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| − | |-
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| − | |N8
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| − | |style="background:#C8C8C8; color:#7A7A7A"|'''delta 3 value steps'''
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| − | |-
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| − | |N7
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| − | |style="background:#ADADAD; color:#7A7A7A"|'''delta 2 value steps'''
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| − | |-
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| − | |N6
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| − | |style="background:#939393; color:#7A7A7A"|'''delta 1 value steps'''
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| − | |-
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| − | |N5
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| − | |style="background:#7A7A7A; color:#7A7A7A"|'''delta 0 value steps'''
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| − | |-
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| − | |N4
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| − | |style="background:#616161; color:#7A7A7A"|'''delta 1 value steps'''
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| − | |-
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| − | |N3
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| − | |style="background:#494949; color:#7A7A7A"|'''delta 2 value steps'''
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| − | |-
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| − | |N2
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| − | |style="background:#343434; color:#7A7A7A"|'''delta 3 value steps'''
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| − | |-
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| − | |N1
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| − | |style="background:#222222; color:#7A7A7A"|'''delta 4 value steps'''
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| − | |-
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| − | |N0
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| − | |style="background:#000000; color:#7A7A7A"|'''delta 5 value steps'''
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| − | |}
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| − | </td><td>
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| − |
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| − | {|border=1 cellpadding=1 cellspacing=0 style="margin: 1em auto 1em auto; border: 1px #666666 solid; border-collapse: collapse; background: #f9f9f9;"
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| − | |+Text Against Default Laptop Colors
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| − | !style="background:#cccccc"|Font value!!style="background:#cccccc"|Frame (N2.5)!!style="background:#cccccc"|Background (N9)
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| − | |-
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| − | |N10||style="background:#414141; color:#FFFFFF"|'''delta 7.5 value steps'''||style="background:#E4E4E4; color:#FFFFFF"|'''delta 1 value step'''
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| − | |-
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| − | |N9||style="background:#414141; color:#E4E4E4"|'''delta 6.5 value steps'''||style="background:#E4E4E4; color:#E4E4E4"|'''delta 0 value steps'''
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| − | |-
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| − | |N8||style="background:#414141; color:#C8C8C8"|'''delta 5.5 value steps'''||style="background:#E4E4E4; color:#C8C8C8"|'''delta 1 value step'''
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| − | |-
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| − | |N7||style="background:#414141; color:#ADADAD"|'''delta 4.5 value steps'''||style="background:#E4E4E4; color:#ADADAD"|'''delta 2 value steps'''
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| − | |-
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| − | |N6||style="background:#414141; color:#939393"|'''delta 3.5 value steps'''||style="background:#E4E4E4; color:#939393"|'''delta 3 value steps'''
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| − | |-
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| − | |N5||style="background:#414141; color:#7A7A7A"|'''delta 2.5 value steps'''||style="background:#E4E4E4; color:#7A7A7A"|'''delta 4 value steps'''
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| − | |-
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| − | |N4||style="background:#414141; color:#616161"|'''delta 1.5 value steps'''||style="background:#E4E4E4; color:#616161"|'''delta 5 value steps'''
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| − | |-
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| − | |N3||style="background:#414141; color:#494949"|'''delta 0.5 value steps'''||style="background:#E4E4E4; color:#494949"|'''delta 6 value steps'''
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| − | |-
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| − | |N2||style="background:#414141; color:#343434"|'''delta 0.5 value steps'''||style="background:#E4E4E4; color:#343434"|'''delta 7 value steps'''
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| − | |-
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| − | |N1||style="background:#414141; color:#222222"|'''delta 1.5 value steps'''||style="background:#E4E4E4; color:#222222"|'''delta 8 value steps'''
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| − | |-
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| − | |N0||style="background:#414141; color:#000000"|'''delta 2.5 value steps'''||style="background:#E4E4E4; color:#000000"|'''delta 9 value steps'''
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| − | |}
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| − |
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| − | </td></tr></table>
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| | ===Fonts=== | | ===Fonts=== |