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React Native Shadow Generator

Tune iOS shadow props and Android elevation with a live preview and copy-ready StyleSheet output.

Shadow Controls

Shadow Color

Card Color

Offset XOffset YOpacityRadiusElevationBorder Radius

OutputReact Native + Preview

Preview Card

CSS Preview Shadow: 0px 10px 16px rgba(15, 23, 42, 0.20)

const styles = StyleSheet.create({
  card: {
    backgroundColor: '#ffffff',
    borderRadius: 16,
    shadowColor: '#0f172a',
    shadowOffset: { width: 0, height: 10 },
    shadowOpacity: 0.20,
    shadowRadius: 16.0,
    elevation: 12,
  },
});

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React Native Shadow Generator: complete usage guide

Generate React Native shadow styles with synchronized iOS shadow properties and Android elevation values for consistent cross-platform depth.

What this tool does

It outputs iOS shadow configuration (`shadowColor`, `shadowOffset`, `shadowOpacity`, `shadowRadius`).

It outputs Android-compatible `elevation` values in the same style block.

It provides a visual preview card to approximate depth before copy-paste.

It assembles a copy-ready `StyleSheet.create` snippet for rapid integration.

Typical use cases

Tune card shadows for iOS and Android component parity.
Prototype elevation scales for mobile design systems.
Prepare standardized shadow presets for reusable UI kits.
Debug mismatch between Figma depth and runtime rendering.
Document approved shadow tokens for onboarding guides.

Input examples

Shadow setup

color #0f172a, offsetY 10, opacity 0.20, radius 16

Android setup

elevation 12

Surface setup

card color #ffffff, border radius 16

Output examples

iOS snippet

shadowColor: '#0f172a', shadowOffset: { width: 0, height: 10 }, shadowOpacity: 0.20, shadowRadius: 16.0

Android snippet

elevation: 12

Full style block

const styles = StyleSheet.create({ card: { ...shadow props... } });

Common errors and fixes

Only Android shadow appears

Remember iOS requires explicit shadow props, not elevation only.

Shadow looks too dark on light cards

Reduce opacity or radius and retest against target background.

Platform parity still feels different

Iterate iOS radius/opacity alongside Android elevation manually.

Negative offsets create awkward depth

Use modest vertical offsets for natural card elevation cues.

Copied style loses formatting in project

Paste into typed style objects and keep numeric values as numbers.

Security and privacy notes

Shadow generation is local and does not upload app design data.
Avoid sharing unreleased app UI screenshots in public channels.
Store approved shadow presets in your component token documentation.

Step-by-step workflow

Start with a minimal input for React Native Shadow Generator and verify baseline behavior first.
Make assumptions explicit: encoding, delimiter strategy, and timezone.
Change one variable at a time and compare output diffs.
Keep one verified output snapshot as a team reference.

Quality checklist before sharing output

Confirm React Native Shadow Generator output is deterministic across repeated runs with identical input.
Check boundary inputs (empty values, long fields, invalid characters).
Remove sensitive data before sharing output externally.
Verify final rendering on both desktop and mobile viewports.