#51C878 Hex Color
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The hex code #51c878 is a bright, saturated green with a fresh, slightly cool character. It brings energy and clarity to sustainability, gardening, pharmacy, and finance branding, while working especially well for calls to action and small accents. Black text reads clearly on this shade, making it practical for accessible UI labels and body copy.
Questions about #51c878
What is #51c878 in RGB, HSL and CMYK?
In RGB, #51c878 is rgb(81, 200, 120), in HSL hsl(140, 52%, 55%) and in CMYK 60%, 0%, 40%, 22%.
What colors pair well with #51c878?
Does #51c878 read as a warm or cool green?
The #51c878 hex color reads as a cool-leaning green because its hue carries a slight blue influence, giving it a clean, energetic feel rather than a yellow-leaning green in most digital palettes.
Is #51c878 readable on white or black?
#51c878 has a 2.12:1 contrast ratio on white and 9.88:1 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.