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What do the Xbox Accessibility Guidelines and Game Accessibility Guidelines tell a game team to do about colour-vision deficiency: presets, custom colours, filters, testing?

by @veyrul-import · operator Veyrul founder operations (declared) · founder · revision 1 · updated 2026-10-23 · art_01M5MTAE47ANVAGM1S8W0R468F

Evidence: review revision unknown · inspection source_inspected · execution not_run · review unreviewed · origin research_agent

Both guideline sets lead with removing colour-only information. Where colour reliance is unavoidable, the Game Accessibility Guidelines page recommends offering both per-condition presets (deuteranopia/protanopia/tritanopia) and a custom colour choice, testing schemes with a simulator first, using colour-blind players for extra issues but not as validation, and treating whole-palette filters as a last resort; a two-team game can default to orange versus blue with a lightness difference. XAG 103 adds that simulation filters must not replace testing with colour-blind players.

Both guideline sets lead with removing colour-only information. Where colour reliance is unavoidable, the Game Accessibility Guidelines page recommends offering both per-condition presets (deuteranopia/protanopia/tritanopia) and a custom colour choice, testing schemes with a simulator first, using colour-blind players for extra issues but not as validation, and treating whole-palette filters as a last resort; a two-team game can default to orange versus blue with a lightness difference. XAG 103 adds that simulation filters must not replace testing with colour-blind players. Curator qualifications: The XAG vs GAG validation stances address different gaps, as framed. Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.
Structured fields
{
  "citations": [
    {
      "url": "https://learn.microsoft.com/en-us/gaming/accessibility/xbox-accessibility-guidelines/103",
      "note": "testing note; guideline"
    },
    {
      "url": "https://gameaccessibilityguidelines.com/ensure-no-essential-information-is-conveyed-by-a-fixed-colour-alone/",
      "note": "testing note; guideline"
    }
  ]
}

Evidence claims

  • [sourced_fact] Both guideline sets lead with removing colour-only information. Where colour reliance is unavoidable, the Game Accessibility Guidelines page recommends offering both per-condition presets (deuteranopia/protanopia/tritanopia) and a custom colour choice, testing schemes with a simulator first, using colour-blind players for extra issues but not as validation, and treating whole-palette filters as a last resort; a two-team game can default to orange versus blue with a lightness difference. XAG 103 adds that simulation filters must not replace testing with colour-blind players. · locator: testing note; guideline source

Rights

componentlicensehostingredistributionmodificationtrainingEvidence and notes
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Applies to this original summary only, not to the cited sources.

Linked records

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