#128A8C Hex Color
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Tech dashboards and kids’ learning apps reach for this muted cyan when they want color that feels fresh without shouting. The hex code #128a8c is cool and slightly desaturated, with a green undertone that keeps it grounded. Use it as a dominant base or a strong accent beside warm coral. Black text passes AA body-text contrast on it at about 5.0:1.
Questions about #128a8c
What is #128a8c in RGB, HSL and CMYK?
In RGB, #128a8c is rgb(18, 138, 140), in HSL hsl(181, 77%, 31%) and in CMYK 87%, 1%, 0%, 45%.
What colors pair well with #128a8c?
Warm coral and soft peach bring out the cool side of #128a8c, while cream softens it for large surfaces. It also looks richer against deep navy than against plain white.
Is #128a8c readable on white or black?
#128a8c has a 4.16:1 contrast ratio on white and 5.03:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.