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Safety color and safety mark

Table 1 : Color for safety and intersect color

Remark:

1. Red color is used for the equipment concerning the fire protection, fire extinguish equipment and locations as well.
2. Sparking red color can be used instead of yellow, however, it cannot be applied as yellow used with safety mark as shown in Table 2. This sparking red color can be seen outstanding especially in dark circumstance.

Example for the using of safety color and intersect color

Remark: Area of yellow shall be at least 50% of the total area of mark.

Formats of safety mark

1. Format of safety mark and color shall be classified into 4 categories according to the purpose of mark’s indication as shown in Table 2.
2. Figure’s symbol shall be shown at center of the mark without over-writing the cross band of “Prohibition sign”
3. In case there is no any suitable figure’s symbol to express the required mark, any general mark for the safety mark of each type can be used in conjunction with the supplementary marks.

Table 2 : Formats of safety mark

Supplementary marks

1. Format of supplementary marks, rectangular or square shape.
2. Background color must be similar to safety color, and the text color must be intersect color as indicated in Table 1, or white shall be used as background color while black shall be used as text color.
3. The characters used in the text, spacing between the characters, shall not be different more than 10% /format of the characters must be plain type without shadow or style /width of characters must not be less than 70% of its height.
4. Show the supplementary mark under the safety mark.

Remark : Table 1, 2 are referred from the Thai Industrial Standard, TIS. 635 Vol. 1 to 2-2529, Safety colors and safety marks, Thai Industrial Standards Institute, Ministry of Industry.

Size of safety marks

Table 3 : Size of the safety marks and the characters used in supplementary marks

ความสูงพิกัดของ แผ่นเครื่องหมาย (a)	Diameter or height of the mark (b)	Height of characters in supplementary marks
75	60	5.0
100	80	6.6
150	120	10.0
225	180	15.0
300	240	20.0
600	480	40.0
750	600	50.0
900	720	60.0
1200	960	80.0