Chart Prompts

1,337 ways to dress a line or bar chart, 669 light and 668 dark. Open any chart to see it full size and copy a prompt that gives your own chart the same look.

Every chart uses illustrative data. The prompts work with any coding agent and any charting library; they describe colors, type, spacing and marks precisely enough to reproduce each look.

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Ceramic Glaze bar chart, light theme: Glazed stoneware bars with thrown-pot tops, clay feet and stamped maker's marks.

Ceramic Glaze

LightBar

Glazed stoneware bars with thrown-pot tops, clay feet and stamped maker's marks.

  • Stoneware#EAE6DF
  • Sage celadon#7A9975
  • Speckled oatmeal#D6C49E
  • Cobalt#2F4F8F
  • Rust tenmoku#8A4A2B
  • Clay foot#C8B7A0

Prompt for your coding agent

Paste it with your chart's code. It restyles your data to match this chart.

Restyle my chart in the "Ceramic Glaze" style described below. Keep my data, chart type, title meaning and units; change only the presentation. Use the charting library this project already uses (plain SVG if there is none). If the library can't express a detail, draw it in a custom layer instead of dropping it. Measurements assume a 960 x 600 chart; scale them proportionally.

Mood: a studio pottery's glaze book from the 1950s. Each bar is a glazed stoneware pot: a soft uneven shoulder, a glassy sheen, an unglazed clay foot and a stamped maker's mark underneath.

Colors (use these exact values):
- Page: #EAE6DF (pale stoneware gray).
- Glazes, in order: #7A9975 (sage celadon), #D6C49E (speckled oatmeal, with dark speckles #6E5A3C at 35 to 75% opacity), #2F4F8F (cobalt), #8A4A2B (rust tenmoku).
- Unglazed clay foot: #C8B7A0.
- Ink: #2E2A26. Secondary text and maker's marks: #7A7268. Gridlines: #CFC7BA.
- Value labels use the glaze color; for the two pale glazes use darker text versions (#5E7A59 for sage, #8C7545 for oatmeal).

Typography (Google Fonts):
- Cormorant for the title (600, 42px, #2E2A26, stating the finding), value labels (700, 26px), the maker's monogram (600 italic, 19px) and the italic footer note (15px).
- Nunito for everything else: eyebrow 12px 700 uppercase with 2.4px letter-spacing in #7A7268; subtitle 16px #7A7268 with measure, unit and a supporting fact; category names 15px 700; glaze codes 11.5px 600 with 1px letter-spacing; axis labels 13px; source 12px.

Layout:
- 64px side margins. Eyebrow at y 62, title at 110, subtitle at 140, then a thin 0.8px #2E2A26 rule under the header at y 162 across the full width.
- Plot baseline at y 430, plot top about 206. Category names 30px below the baseline, then a maker's mark stamp centered 76px below the baseline with its glaze code to the right.
- Source bottom left at y 572, italic firing note bottom right.

Axes and grid:
- Dotted gridlines, 0.8px #CFC7BA, 2 on 5 off, labeled in 13px #7A7268 with thousands separators. No y-axis line. A 1.2px #2E2A26 baseline.

Marks:
- Bar chart: wide bars (112px at four categories, about 60% of the band). The top is a thrown-pot shoulder: rounded corners with slightly unequal radii (16 to 24px), the rim tilted by up to 2px and bowed up 1.5 to 3px in the middle, never perfectly symmetrical. The bottom 14px is bare clay (#C8B7A0) with a wavy dip line (zigzag 3.5 to 5.5px deep) where the glaze stops. Over the glaze, a horizontal sheen gradient: white at 0 -> 22% at 18% of the width -> 0 at 34%, then black 8% at the right edge. The oatmeal bar carries a speckle texture (dots r 0.6 to 1.8px). Value label 16px above each bar.
- Line chart: a 3px line in the lead glaze color with round joins; each point is a small glazed bead (r 6) in its glaze color with the same sheen; a pale clay area (#C8B7A0 at 35%) under the line. Keep the maker's mark stamps on the category labels.
- Maker's mark: two concentric circles (r 19 at 1.2px and r 15.5 at 0.6px) in #7A7268, with an italic "Rb" style monogram centered.

Avoid: flat perfect rectangles, drop shadows, glossy 3D highlights beyond the soft sheen, bright saturated colors, a legend (the glazes are labeled directly).

When you're done, render the chart and check that each bar's top looks hand-thrown rather than mechanical, the clay foot and dip line are visible, the oatmeal speckle is visible at thumbnail size, and the percentage in the subtitle matches the data.