1.
seven colors; the colors of the rainbow
traditionally the seven colors: red, orange, yellow, green, blue, indigo, and violet
虹は七色に輝いている。
The rainbow shines in seven colors.
七色の光が美しい。
The seven-colored light is beautiful.
子供たちは七色の折り紙で飾りを作った。
The children made decorations with multicolored origami paper.
このシャボン玉は七色に光る。
This soap bubble shines in rainbow colors.
2.
multicolored; having many variations
used figuratively to mean diverse or varied
子供たちは七色の折り紙で飾りを作った。
The children made decorations with multicolored origami paper.
彼女は七色の声を持つ歌手だ。
She is a singer with a versatile voice.
七色の個性を持つチームだ。
It's a team with diverse personalities.
THE TRADITIONAL SEVEN COLORS:
赤 (red), 橙 (orange), 黄 (yellow), 緑 (green), 青 (blue), 藍 (indigo), 紫 (violet)
CULTURAL NOTE:
In Japanese culture, rainbows are traditionally seen as having seven colors. The 七色の虹 (seven-colored rainbow) is a common poetic image.
FIGURATIVE USE:
七色の声 (seven-colored voice) means a versatile singing voice with many different tones and expressions.