Palettes / Colors / #428A4E
#428A4E — Muted Green
#428A4E is a green color we call Muted Green, closest to the named color SeaGreen (#2E8B57). It belongs to the green family.
Color name
Closest CSS keyword: seagreen (#2E8B57) — not an exact match. CSS seagreen gives you #2E8B57, a different color; use #428A4E when you need this exact shade.
Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.
#428A4E is a warm-leaning green color associated with growth, calm and balance. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.
Its strongest partner is its complement #8A427E; it also sits naturally between #5A8A42 and #428A72. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #428A4E |
|---|---|
| RGB | 66, 138, 78 |
| HSL | 130°, 35%, 40% |
| HSV | 130°, 52%, 54% |
| CMYK | 52%, 0%, 43%, 46% |
| XYZ | 12.71, 19.89, 10.38 |
| Yxy | 19.89, 0.2958, 0.4628 |
| CIE-Lab | 51.71, -36.15, 25.38 |
| Hunter Lab | 44.59, -25.17, 15.57 |
RGB & CMYK percentages
Red 26% · Green 54% · Blue 31%
Cyan 52% · Magenta 0% · Yellow 43% · Key 46%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #428A4E
.text { color: #428A4E; }
.background { background-color: #428A4E; }
.border { border: 3px solid #428A4E; }
.text-rgb { color: rgb(66, 138, 78); }
.text-hsl { color: hsl(130, 35%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #428A4E; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(66, 138, 78, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #428A4E; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(66, 138, 78, 0.8); }
HTML: <p style="color:#428A4E">Text here</p> · <div style="background-color:#428A4E">Div content here</div>
Shades of #428A4E
Tints of #428A4E
Tones of #428A4E
Color harmonies
Complementary — #8A427E:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 4.22:1 AA large only |
|---|---|
| Against black text | 4.98:1 AA |
Best text color on #428A4E: #000000.
Semi-transparent (opacity) text on #428A4E
Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:
Smaller body text shows the effect best.
Blended color: · Contrast against #428A4E: ·
How #428A4E looks with color blindness
Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:
Closest design-system colors
The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:
Palettes with a similar color
These palettes use a close neighbour of #428A4E rather than the exact color:
Similar colors
The closest colors that actually appear in our palette collection — click any to open its page:
Browse neighbouring colors
Frequently asked questions
What color is #428A4E?
#428A4E is Muted Green, a green color (RGB 66, 138, 78). Its closest standard named color is SeaGreen.
What is the RGB and HSL of #428A4E?
#428A4E is RGB 66, 138, 78 — HSL 130°, 35%, 40% — CMYK 52%, 0%, 43%, 46%.
What colors go with #428A4E?
Its complement is #8A427E; analogous partners are #5A8A42 and #428A72. It also appears in 6+ palettes in our collection.
Can I use #428A4E for text?
Black text on #428A4E has a contrast ratio of 4.98:1 (passes WCAG AA); white text gives 4.22:1.