Seeing colour About seeing colour When an observer asks themselves what colour something is, they might refer to: Spectral colours and use names commonly associated with rainbows (ROYGBV) An extended vocabulary of colour names such as dark red, vermilion, golden yellow, lemon yellow, pale yellow, greenish-yellow, chartreuse, leaf green or light green. A specific colour model such as RGB, CMYK or HSB A family of colours such as warm or cool colours Tints or shades of colours A palette of colours they have selected or are working with. Post navigationPrevious post: Hue and colour modelsNext post: Hue at lightcolourvision.org