What does the color shading system represent in the Gantt chart? #4

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opened 2026-08-02 22:01:04 +02:00 by SirStone · 1 comment
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The Gantt chart uses a distinct color per project, and tasks within each project are rendered as tonal variants (lighter/darker shades) of that project's color. What does the shading convey — is it intentional (e.g. task status, priority, type, progress) or purely aesthetic? The answer determines what the legend must explain.

## Question The Gantt chart uses a distinct color per project, and tasks within each project are rendered as tonal variants (lighter/darker shades) of that project's color. What does the shading convey — is it intentional (e.g. task status, priority, type, progress) or purely aesthetic? The answer determines what the legend must explain.
SirStone added the wayfinder:grilling label 2026-08-02 22:01:04 +02:00
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Resolution

The shading system represents task status — 5 states, all purely tonal variants of the project's base color, with borders/lines available to carry additional per-status differentiation:

Status Visual treatment
todo neutral shade
in progress prominent shade
blocked distinct shade + border
overdue standout shade + border
done ghost/receded shade (always visible, never hidden)

Done tasks are always shown (ghost shade provides spatial context for adjacent tasks) and are read-only / frozen once they reach that state — cannot be modified.

Cancelled and won't-do tasks are hidden from the Gantt entirely (no shading needed).

The legend must therefore explain: which color = which project, and what each of the 5 tonal states means.

## Resolution The shading system represents **task status** — 5 states, all purely tonal variants of the project's base color, with borders/lines available to carry additional per-status differentiation: | Status | Visual treatment | |---|---| | todo | neutral shade | | in progress | prominent shade | | blocked | distinct shade + border | | overdue | standout shade + border | | done | ghost/receded shade (always visible, never hidden) | **Done tasks** are always shown (ghost shade provides spatial context for adjacent tasks) and are **read-only / frozen** once they reach that state — cannot be modified. Cancelled and won't-do tasks are hidden from the Gantt entirely (no shading needed). The legend must therefore explain: which color = which project, and what each of the 5 tonal states means.
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Reference: SirStone/Project_Management_for_ADHD_wayfinder_test#4