RAL Classic colour fan deck

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RAL Colour 5021

◾ Conversion chart
HEX #007D7F (More info)
CMYK 100 / 0 / 40 / 35 (More info)
RGB0 117 119 (More info)
RAL 5021

Water blue

This RAL 5021 Colour is presented to you as a part of blue hues assortment on the RAL Classic colour chart. You will notice that all of these grouped colours follow this specific designation, which is based on four-digit number in combination with the letters "RAL". This is why blue colours are sequentialy coded under 5xxxx, where 5 is a system code number (1: yellow, 2: orange, 3: red, 4: purple, 5: blue, 6: green, 7: grey, 8: brown and 9: white and black shades).

The name Water blue actually serves as additional, auxiliary designation, making the colour easier to remember. This naming system also provides additonal quality assurance preventing erroneous colour assigment due to number transposition.

On this particular hue range, in addition to 'water blue', you will find hand-picked colour tones selected by RAL institute design experts. This blue colour assortment holds another 24 excellent tones (making a total of 25 unique colour samples). You can click here for a list of blue hues, or open a full chart of 215 RAL Classic colours.

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RAL to CMYK conversion chart

◾ RAL 5021 to CMYK

In the CMYK colour system the RAL 5021 is composed by combining four primary tones of pigment. To achieve this exclusive "water blue" colour tone, out of 100% maximum colour components, 100% cyan, none magenta, 40% yellow and 35% key (black) are used.
You can immediately see this result on this computer simulated CMYK diagram.
The mixture of these primary colours blends in the middle on a square space where all four different colour hue sheets overlap.

C M K Y 100% 0% 40% 35%

◾ RAL 5021 to RGB

The conversion of RAL 5021 into RGB colour space requres specific composition of red, green, and blue primary colours. To construct hue matching "water blue" colour from the RAL chart as close as possible, we use the following values ranging from 0 to 255 on the RGB colour system: none of red, 117 green and 119 blue.
The three circle RGB diagram here provides illustrative example showing how blue value stands out clearly in comparison to red and green to construct this unique tone of colour. The RAL colour equivalent emerges in the very center, where all three primary colour circles overlap and combine.

0 117 119 R G B
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RAL Classic Yellow Chart

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RAL Classic Green Chart

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RAL Classic Grey Chart

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RAL Classic White and Black Chart

Click to see all 20 white and black RAL colours