#639C9C

RGB 99, 156, 156

Values

Hex#639C9C

RGB99, 156, 156

HSL180°, 22%, 50%

On White3.1:1

On Black6.77:1

#EEE7E7 background

#271D16 ink

#639C9C accent

#4F6178 support

#A89FA3 neutral

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Use these colors:

Background: #EEE7E7 (background)
Ink: #271D16 (ink)
Accent: #639C9C (accent)
Support: #4F6178 (support)
Neutral: #A89FA3 (neutral)

Build a design system around this color.