Field notes for better color

Practical color-grading guides built around real images, repeatable workflows, and the tools inside PeekLUT.

A portrait by a bright window shown in false color, with crushed shadows in purple and mid gray in green

How to Use False Color and Zebras on iPhone to Check Exposure

Turn on false color and zebras in PeekLUT to see crushed shadows, mid gray and clipped highlights on iPhone photos and video while you grade.

Before-and-after comparison of a cube LUT applied in PeekLUT on iPhone

LUT Workflow6 min read

How to Import and Use .cube LUTs on iPhone

Import one or more .cube LUT files from Files, organize them in PeekLUT, apply them to photos or video, and avoid common color-space mistakes.

A cinematic split-tone color grade created in PeekLUT

Mobile Color8 min read

iPhone Color Grading Guide: A Practical Workflow in PeekLUT

Learn a practical iPhone color grading workflow in PeekLUT: correct exposure, shape color, apply LUTs, use masks, add film texture, and prepare your export.

A photographic print simulation applied to a flooded street scene in PeekLUT

Film Looks8 min read

Film Print Emulation on iPhone: A Practical Guide

Learn how film print emulation shapes contrast, highlight roll-off, and paper tone, then build Matte, Neutral, or Glossy looks in PeekLUT.

A portrait with a Technicolor-inspired channel cross-mix created in PeekLUT

Film Looks7 min read

How to Create a Technicolor Look on iPhone

Create a Technicolor-inspired look on iPhone with RGB cross-mixing, controlled contrast, careful skin tones, and film finishing in PeekLUT.