![]() ![]() ![]() It is an artificial mineral pigment and has been available since the early 19th century. Ultramarine is a warm blue as it is more biased towards purple on the colour wheel than green.Ĭobalt is a delicate blue, which has a cooler colour temperature. Ultramarine pigment was produced in Germany and France (hence French Ultramarine) from the 1830s as a cheaper alternative to natural ultramarine. It is an artificial mineral pigment that is made by heating together clay with sulphur, soda and coal, resulting in a fairly slow-drying colour. Ultramarine has a high tinting strength, making it much more intense now than the original lapis lazuli. Discover what blue would fit into a warm colour scheme and what blues are cool colours. The characteristics and properties of three of the most widely used blues are explained here. Which blues are warm colours and what blues are cool colours? For example, look at the swatches below – you’ll see how the undertone of Cerulean Blue hints at green while Ultramarine leans towards a warmer mauve.īut there is another factor affecting the way we perceive a colour – within a painting, other colours placed next to the blue will influence how we see both its hue and temperature. Within the range of blues available to buy by the tube, it’s possible to compare them in terms of temperature as some blues appear to be warmer than others. How do you tell warm and cold colours apart? But, as with the other primary colours, blue has both warm and cool variations.Īll but the purest primary colour has a leaning towards a secondary colour it is this undertone that helps us to understand the notion of warm and cool. ![]() We are taught that reds are warm and used to bring areas forward, while blues are cool colours, so will cause objects to appear to recede in a painting. When beginning to paint, the idea of colour temperature can be difficult to grasp. Link copied to clipboard Telling the difference between warm and cold colours is an important step of making great paintings. ![]()
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