The cut

The Reading Layer, Refined

V3.5 tunes how a card reads: strict grayscale, SF Pro Rounded, no color.

Fewer sizes, darker ink, calmer tracking. V3.5 tunes how a card reads, never what it says.

The words stay the same. The page just reads easier.

The tracking
Body tracking flips negative.

R-9 spaced body text out with positive tracking. That broke the word shapes fast readers rely on. V3.5 retunes body letter-spacing to:

−0.01em

with word spacing back to normal. The UPPERCASE eyebrow stays the only positively-tracked role.

The ink
Three steps, all readable.
LayerInkContrastRole
Primary#1A1A1A17.4:1Headers, focal stats
Secondary#5959597.0:1Body prose
Tertiary#7676764.54:1Captions, labels
Takeaway#888 and belowdrop to non-texthairlines, gridlines

Every text step clears the WCAG 4.5:1 floor. De-emphasis is a tonal step down, never a step below readable.

The sizes

Three sizes carry the whole card. Header, subhead, and body do the work. Weight, ink, and space set the rest, not a fourth size.

The spacing

Beats sit further apart now. The default gap grows from 48 to 64 points. More space between ideas reads as more separate ideas.

The guarantee

Old cards never change. Every card built before this keeps its first look. The new rules touch only the newest cards.

The bottom line

Hierarchy from weight, ink, and space, not from more sizes.

Read it once, and the system fits in your head.

Sources
◆ supercard · v3.5 atlas