hue. Open Hue

YOUR EVERYDAY COLOUR COMPANION

A little clarity.
A little more independence.

Point at a colour. Hear its name. Take a photo when you want help understanding what you see.

Open to everyone. No ChatGPT account or app download needed.

START HERE

Open it on your phone.

  1. Open the Hue link in Safari on iPhone.

    Use your phone’s browser. If a messaging app opens the link inside its own window, choose to open it in Safari.

  2. Choose your colour-vision profile.

    Select Protanopia, Deuteranopia or Tritanopia if you know your type. Choose Not sure yet if you don’t. Colour names and photo explanations still work. Your preference is saved on this device.

  3. Use the camera, or start with a photo.

    Tap Open camera and allow camera access. You can also use Take photo or Open photo. Keep your phone steady and use even lighting.

Give Hue a place on your home screen.

In Safari, open Share and choose Add to Home Screen. You’ll have a Hue icon to tap next time. It’s a web app; an App Store download is not required.

COLOUR TOOLS · ON YOUR DEVICE

Find the colour. Hear the name.

Point & identify

Tap the image to move the target onto one surface. Hue shows a colour name, symbol and colour code. Speak reads the colour aloud.

“Likely” means the sample needs checking. Move closer or try better lighting.

Try colour assistance

Select a known profile, turn on Assist, and adjust the strength. The effect changes some colour differences; names always describe the original image.

Assistance is experimental. It does not restore colour vision.

Compare two colours

Open Compare. Point at the first colour and save A, then save B. Hue says whether the samples are the same, similar or different, and whether they may look alike with your profile.

Share another perspective

Before / After shows an approximate colour-vision simulation without and with assistance. Switch between full-width views to notice smaller changes.

This helps others visualise an estimate, not someone’s exact experience.

UNDERSTAND · ONE PHOTO PER TAP

Make sense of the scene.

  1. Open Understand and choose a photo.

    Take a new photo or select one from your phone. Choose Everyday objects, Fruit & vegetable clues or Read packaging.

  2. Tap Send photo & analyse.

    This sends one photo to OpenAI. Hue can describe visible objects, their colours, approximate locations and clues that may matter. It also tells you what is uncertain.

  3. Read, listen or focus on a colour.

    Read the object cards or tap Read the scene aloud. The Red and Green buttons filter the object list and add approximate striped highlights to the photo. Filtering does not send it again.

A shortcut from the scanner

Tell me more captures and sends one current frame immediately when tapped. The live camera pauses while you read the explanation.

FOR EXAMPLE

“The pepper on the right appears green.”

Useful colour information. Its colour alone cannot confirm freshness.

A FEW THINGS TO KNOW

Help when you need it.

The live camera won’t start.

Open the link directly in Safari. Allow camera access in the website’s settings, then try again. If Hue says the camera is connected but video is paused, tap Start live video. You can use Take photo or Open photo while live camera access is unavailable.

Do I need ChatGPT or my own API key?

No. Use this public Hue link in your browser. Visitors don’t need a ChatGPT subscription or an API key. The app owner covers the AI requests. A shared daily allowance applies; if it is reached, colour tools remain available.

What happens to my photos?

Colour tools process images on your device. Only an explicit AI analysis tap sends a photo to OpenAI. Hue does not save photos or explanations in its database. Use Clear photo to remove the current AI photo and result, or reload to clear page memory. OpenAI’s API data policies also apply to submitted photos.

Can I rely on it for food, medicine or traffic?

Use Hue for observations that you can verify. It can miss objects or misread colours and text. Colour alone cannot confirm food freshness or safety. Check medicine against original packaging with a pharmacist. A photographed traffic signal may already have changed; do not use Hue to decide when to cross or drive.

Can Hue test my colour vision?

Not currently. The profiles and simulations are not diagnostic tests. Choose Not sure yet to use the app without a diagnosis.

THE REASON BEHIND HUE

Inspired by Elias Aw.

Hue was inspired by Elias Aw, who wanted to help his colour-blind grand uncle navigate the world better.

That wish is at the heart of Hue: making everyday colour information easier to read, hear and understand.

Open Hue