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My name's Sam Kelleher, and I am a Senior Full-Stack Web Developer / Software Architect based in London. This website mostly contains a sample of work from my portfolio, tips and best practicies for building web applications, and reviews + photos of food and hotels in London.

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All posts in Technologies

P3 Image Color Experimentation

2016 generation MacBooks and iPhones have a wide-gamut P3 display that show 25% 'more' red and greens compared to standard RGB monitors. So I began to experiment to work out what was needed to be able to use this extra color space when presenting images on web and native apps. Basically what I needed to work out was, when given an image that is using P3 color space, can I make a thumbnail from it without destroying the P3 colors and output a transformed image that is still in P3. Further that, to be able to display the specific P3 optimised images on devices that support it. Read more...