COBALT BLUE COLOR ROSES WET TATTOO FULL
COBALT BLUE COLOR ROSES WET TATTOO SERIES

It can be toxic in huge amounts or damaging to the lungs if applied as in airbrushing. In addition, most companies have health warnings about Cobalt Blue on the packaging. Imitation colours are typically known as 'hues', as in Cobalt Blue = real thing, Cobalt Blue Hue = imitation. Developed for porcelain in China and as a paint pigment in Europe, it's been in use as a colour since at least the 1700's.īack in my days managing an art supply store, Cobalt Blue could be a hard sell: there are imitation versions of the colour on the market and they are substantially cheaper, and made up of multiple pigments to imitate the colour. Cobalt Blue has the chemical formula CoAl 2O 4 (It's also possible to create Cobalt Green: 4CoO.3Al 2O 3 ). The pigments are made by heating aluminum silicates with cobalt and heating to 1200☌. While in it's natural, raw state it's a somewhat burnished silver colour, it is famously known for producing vibrant blues in pigments. It's also the only goblin hiding in the Periodic Table.Ĭobalt, is symbol Co on the periodic table with an atomic weight of 27. In these cases, we recommend that you refer to the Winsor & Newton permanence rating, which evaluates colour on many aspects, including lightfastness, and indicates a colour's ability to resist fading.Cobalt Blue is a fascinating colour with a much longer history than many pigments in use today. It does not necessarily imply a lack of lightfastness. Where no ASTM rating is given for a Winsor & Newton colour, it is labelled as N/L, meaning 'Not Listed,' this usually indicates that the ASTM has not yet tested the pigment or the type of range. In this system, I has the highest lightfastness available, and V is the lowest, though ratings I and II are considered permanent for artists' use. This organization has set standards for the performance of art materials, including a colour's lightfastness. The ASTM abbreviation stands for the American Society for Testing and Materials. Lightfastness: Lightfastness is shown with an ASTM rating for the pigment. (vi) A' rated with a coating of fixative.(v) Should not be prepared in pale tints with Flake White, as these will fade.(iv) Fluctuating colour fade in light, recovers in dark.(iii) Bleached by acids, acidic atmospheres.(ii) Cannot be relied upon to withstand damp.

COBALT BLUE COLOR ROSES WET TATTOO FULL

(i) A' rated in full strength may fade in thin washes.For further information on some colours, the rating may include one or more of the following additions:.In simpler terms, their resistance to change is when exposed to light and the atmosphere. Permanence: The permanence of an artists' colour is defined as ‘its durability when laid with a brush on paper or canvas, graded appropriately and displayed under a glass frame in a dry room freely exposed to ordinary daylight and an ordinary town atmosphere.' In addition, any thin film of colour will appear more transparent than a thicker one.

T/O - Transparency/Opacity: Transparent colours are marked ‘T' and semi-transparent ‘ST.' Opaque colours are marked ‘O' and semi-opaque ‘SO.' Transparency, however, is relative, and the ratings are provided as a guide only.

COBALT BLUE COLOR ROSES WET TATTOO SERIES

Where there is no series column, this indicates the price is uniform across the range. Series 1 is the least expensive, and Series 5 is the most costly. Series: The Series number indicates the relative price of the colour and is determined mainly by the cost of the pigment. As an example: Cobalt Blue is Pigment Blue 28, abbreviated to PB28. Colour Index Name: Each pigment can be universally identified by its Colour Index Generic Name.

Cobalt blue color roses wet tattoo