Effets de couleur
Les effets couleur gèrent les ajustements spécifiques à la presse, comme la réduction de la couverture d'encre totale ou l'augmentation de la saturation pour le papier non couché. Appliquez avant l'imposition pour que vos bandes de contrôle restent précises.
Effets de couleur
Tool pageAjuste la luminosité, le contraste et la couleur, ou applique des effets.
Les effets couleur gèrent les ajustements spécifiques à la presse, comme la réduction de la couverture d'encre totale ou l'augmentation de la saturation pour le papier non couché. Appliquez avant l'imposition pour que vos bandes de contrôle restent précises.
How It Works
Les effets couleur gèrent les ajustements spécifiques à la presse, comme la réduction de la couverture d'encre totale ou l'augmentation de la saturation pour le papier non couché. Appliquez avant l'imposition pour que vos bandes de contrôle restent précises.
Effets de couleur tool applied. Options panel on the left, imposed result on the right. Click to zoom.
Options Guide
Color Adjustments
Fine-tune brightness, contrast, and saturation of the page content.
Brightness (0–200): 100 = original. Below 100 darkens, above 100 lightens. Contrast (0–200): 100 = original. Higher values increase the difference between light and dark tones: useful for washed-out scans. Saturation (0–200): 100 = original. 0 = fully desaturated (grayscale equivalent). Above 100 boosts color intensity.
Effects
Apply creative color effects: grayscale, warm tone, invert, or hue shift.
Grayscale (0–100%): progressively removes color information. 100% = full grayscale: an alternative to desaturation that uses a luminance-weighted conversion. Warm Tone (0–100%): applies a sepia/warm cast:20–30% adds subtle warmth, 100% is full vintage sepia. Invert (0–100%): reverses tonal values. 100% = full negative. Hue Rotate (0–360°): shifts all colors around the color wheel. 180° inverts hue (red↔cyan, blue↔yellow). Effects are cumulative and applied in order.
Output Quality
Set the rasterization resolution for the color-graded output.
Color grading rasterizes targeted pages: vector content (text, paths, gradients) becomes a bitmap image. Choose DPI based on your output: 150 DPI for screen/web (fast, small files). 300 DPI for standard commercial print. 600 DPI for high-detail fine art or text-heavy pages (large files, slow processing). Warning: if Color Convert is also in the pipeline, pages will be rasterized twice: compounding quality loss.
Pages
Specify which pages to process using a range expression.
Examples: 'all' = every page. '1-5' = pages 1 through 5. '1,3,5' = specific pages. '1-10 odd' = odd pages 1-9. '2-20 even' = even pages 2-20. 'last' = last page. 'last-2' = third from last. Ranges are 1-based. Combine with commas: '1-5, 8, 12-15'.
Configurations & Variations
Grayscale Conversion
Select the grayscale preset to convert all pages to monochrome. Good for checking tonal range before sending to a black-and-white printer, or previewing how a color design will reproduce in newspaper (single-ink) printing. If any colored elements become indistinguishable in grayscale, they need more tonal separation in the original design.
Settings to change
Full app view
Output result
High Contrast Effect
Apply the high-contrast preset to push light and dark areas further apart. Useful for checking whether barcodes meet the minimum contrast ratio for scanner readability, or whether reversed-out text on a tinted background will survive halftone dot gain on press.
Settings to change
Full app view
Output result
Expert Tip
Colour grading handles press-specific adjustments, such as reducing total ink coverage to 300% or below for heatset web, or boosting saturation for uncoated stock.
Grading applied after imposition also affects marks and colour bars. Apply it to source pages before imposition so your control strips stay accurate.
Try Effets de couleur in your browser
PDF Press runs entirely client-side. Upload a PDF, apply Effets de couleur, and download the result — no upload to a server, no sign-up required.
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