#40D149 Hex Color
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Bright and highly saturated, this green has a clean, energetic look with a slight yellow undertone. The hex code #40d149 brings freshness to sustainability, gardening, pharmacy, and finance branding, but its intensity can overwhelm large surfaces. Use it as a supporting color or accent with deep navy, while black text remains highly readable for accessible UI labels.
Questions about #40d149
What is #40d149 in RGB, HSL and CMYK?
In RGB, #40d149 is rgb(64, 209, 73), in HSL hsl(124, 61%, 54%) and in CMYK 69%, 0%, 65%, 18%.
What colors pair well with #40d149?
#40d149 pairs well with deep navy, which gives its vivid green a grounded, professional contrast; white keeps the combination crisp, while warm neutrals can soften the energetic effect in packaging, interfaces, and brand accents.
Does #40d149 read as warm or cool?
#40d149 reads as a lively, slightly warm green because its subtle yellow cast creates a fresh, springlike impression rather than a blue-green one, especially in bright interfaces and visual identities. Its high saturation keeps the color vivid and attention-grabbing.
Where does #40d149 work best in a design?
#40d149 works best as an accent in sustainability, gardening, pharmacy, and finance designs, where its bright saturation can signal freshness and activity without overwhelming the viewer across a large background. Pair it with deeper colors for balance.
Is #40d149 readable on white or black?
#40d149 has a 2.01:1 contrast ratio on white and 10.43:1 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.