#42D138 Hex Color
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Bright green with a neon kick, #42d138 gets its glow from high saturation at a mid-lightness. The hex code suits eco branding, pharmacy, and gardening work where freshness matters. It shines as an accent, not a full background, since large areas turn loud fast. Charcoal and deep navy tame it well; for cousins, see what colors make green.
Questions about #42d138
What is #42d138 in RGB, HSL and CMYK?
In RGB, #42d138 is rgb(66, 209, 56), in HSL hsl(116, 62%, 52%) and in CMYK 68%, 0%, 73%, 18%.
What colors pair well with #42d138?
Deep navy, charcoal, and dark plum all ground #42d138 without competing with its brightness. Avoid pairing it with oranges or warm yellows at full strength, since the combination reads harsh rather than fresh.
Is #42d138 readable on white or black?
#42d138 has a 2.01:1 contrast ratio on white and 10.40:1 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.