Warm, Neutral or Cool White? Warm White Color temperature: from 2,800 K to 3,200 K Warm white diodes are suggested for furniture lighting with natural essences (e.g. oak, wenge, teak, etc.) or colors (e.g. red, green, yellow, etc.). Neutral White Color temperature: from 3,900 K to 4,300 K Color temperature can be described as plain, white or neutral. It is the color temperature of a light source that makes it visually warm, neutral or cool. Cool White Color temperature: from 5,000 K to 6,500 K Cool white diodes are suggested for the lighting of furniture with finishes or base colors and for contrast effects (e.g. white, black, metallic colors such as aluminum, steel, etc.).