🎨 Paint Calculator + Mixer
How much paint to buy? Area + coats + surface → litres and buckets. Plus a colour mixer.
Needed
– l
Buy (incl. 10% spare)
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🎨 Colour mixer
+
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Mix two colours — that is the result (RGB average).
⚠️ Estimate — exact coverage is on the tin. Roughcast may need +30%.