#42B051 Hex Color
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Bright, strongly saturated, and medium-light, #42b051 is a fresh green with a slight yellow undertone. Use it for calls to action, highlights, or sustainability accents rather than a full-page background. Black text reaches about a 7.6:1 contrast ratio on this color. The hex code also suits finance, gardening, and pharmacy interfaces.
Questions about #42b051
What is #42b051 in RGB, HSL and CMYK?
In RGB, #42b051 is rgb(66, 176, 81), in HSL hsl(128, 45%, 47%) and in CMYK 63%, 0%, 54%, 31%.
Does #42b051 read as a warm or cool green?
#42b051 reads as a warm green because its bright green base leans slightly toward yellow, giving it a fresh, active feel and making it more inviting than blue-leaning greens in energetic interfaces.
Which colors pair well with #42b051?
#42b051 pairs well with deep navy, charcoal, cream, and muted terracotta, because dark neutrals ground its strong saturation while warm earth tones reinforce its yellow undertone without competing with the green.
Is #42b051 readable on white or black?
#42b051 has a 2.77:1 contrast ratio on white and 7.56:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.