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Photo Temperature

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Photo Temperature lets you warm or cool a photograph by shifting red and blue channel balance. Choose a photo to begin.

Method and calculation

Warm or cool a photograph by shifting red and blue channel balance.

Inputs and settings

Photo Temperature accepts Warmth (minimum -100, maximum 100).

Worked example

Photo Temperature example — Warmth: 25. Preview instructions: Select a still photo, then use Warmth: 25. The result is a PNG with warm or cool a photograph by shifting red and blue channel balance.

Output and limitations

Positive warmth adds red and subtracts blue, giving neutral surfaces an amber appearance. Negative warmth has the opposite effect. This creative channel balance is not a calibrated Kelvin white-balance conversion; use a neutral reference when judging a portrait.

Technical references: Canvas pixel manipulation

Photo Temperature FAQs

Photo Temperature applies the following rule to your input: Warm or cool a photograph by shifting red and blue channel balance. The visible preview shows the resulting image effect.
Photo Temperature has these boundaries: Processes one still image locally. PNG export uses a maximum 4096-pixel source edge; effects may expand the canvas. Start by checking the warmth field against the units or format shown.
Photo Temperature provides this sample: Select a still photo, then use Warmth: 25. The result is a PNG with warm or cool a photograph by shifting red and blue channel balance.. The preview can be inspected before saving.

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