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Is a terminal a user interface?
Writing — read the piece
- Asked for
- A developer at a dark terminal screen, holding a small color contrast card up against the faint gray text
- Drawn with (triad)
#3a78ac#85396f#769d54
Why these three
Three points spaced evenly around the wheel — the furthest apart three hues can be.
- SeedSHA-256 of
is-a-terminal-a-user-interface, which is the same every time and different for every piece. - Base hueThe first two bytes as a fraction of 65,535, times 360 = 206°.
- GeometryThe third byte modulo 4 picks triad, which adds 0°, 120°, 240°.
- WobbleThree more bytes shift each by up to ±12° — +1.6°, −8.0°, +6.4° — so two pieces that draw the same geometry are still not the same shape on the wheel.
- Result
#3a78ac207° at 66% saturation, 67% value#85396f317° at 57% saturation, 52% value#769d5492° at 47% saturation, 61% value
Saturation never drops below 72% and value never below 78%, which is what keeps a hue reading as the colour it was chosen to be rather than as a dark. More on how these are made.