International Commission on Illumination – Learning English and Japanese

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Learning English and Japanese

For everyone learning English/Japanese

Culture Essay Etymology Language Uncorrected

Toru Mar 20, 2015Jan 06, 2024 blue, blue-green, contrast of red, eyes, green, green light, International Commission on Illumination, purple, red, Traffic light colors, white, yellow, 青信号

Traffic Light Color

　Traffic light colors are based on universal standard. According to the International Commission on Illumination (CIE), colors that can be Read More