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#66B266rgb(102, 178, 102)hsl(120, 33%, 55%)PUT IT INTO PRACTICE
Try it with another color before you commit.
A little color. A whole lot of possibility.
Selected text: #66B266Normal text: AA 4.5:1, AAA 7:1. Large text: AA 3:1 (24px regular or about 19px bold).
Results use the exact pair, at full opacity. WCAG contrast guidance ↗
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HEX
#66b266
RGB
rgb(102, 178, 102)
HSL
hsl(120, 33%, 55%)
OKLCH
oklch(0.6953 0.1323 143.98)
CMYK
cmyk(43%, 0%, 43%, 30%)
CSS variable
--color-66b266: #66b266;
CMYK is an approximate reference; print output depends on the color profile. HSV and CMYK are not CSS color functions.
OKLCH
Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.
Palette
Full scale from light tints through the base color into deep shades
Palette
Mixed toward white — soft backgrounds and highlights
Palette
Mixed toward black — depth, text, and emphasis
Palette
Mixed toward neutral grey — muted UI surfaces
Harmony
Opposite on the color wheel for contrast
Harmony
Neighbors that sit comfortably together
Harmony
Evenly spaced triad for vibrant sets
Harmony
Base plus two accents beside the complement
Harmony
Same hue, varied lightness and saturation
Export
:root {
--color66b266-1: #66b266;
}Design systems
An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.
Nearest Tailwind color
green-500
Very different · ΔE 7.38 · #22C55E
Nearest CSS named color
MediumSeaGreen
Very different · ΔE 5.43 · #3CB371
Nearest Material color
green-400
Noticeably different · ΔE 2.51 · #66BB6A
Nearest Bootstrap color
success
Very different · ΔE 16.17 · #198754
Using this color
#66B266 (#66b266) sits in the light green family at about 120° hue, 33% saturation, and 55% lightness. Contrast is 2.58:1 on white and 8.12:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: green-500 (approximation unless the hex is an official scale stop).
Sensible jobs for this swatch
Do not use #66b266 as small body text on white — 2.58:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.
Family context: Vitality, optimism, and renewal. Friendly for outdoor and lifestyle brands. Common uses still include buttons, charts, and accents in the Light Green range — always verify the pair for this exact hex in the contrast checker.
Related
Nearby colors from the library by perceptual distance