Palettes / Colors / #129B4E

#129B4E — Vivid Green

#129B4E is a green color we call Vivid 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 #129B4E 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.

#129B4E is a warm-leaning green color associated with growth, calm and balance. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #9B1260; it also sits naturally between #1B9B12 and #129B92. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 7% · Green 61% · Blue 31%

Cyan 88% · Magenta 0% · Yellow 50% · Key 39%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #129B4E

.text { color: #129B4E; }
.background { background-color: #129B4E; }
.border { border: 3px solid #129B4E; }
.text-rgb { color: rgb(18, 155, 78); }
.text-hsl { color: hsl(146, 79%, 34%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #129B4E; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(18, 155, 78, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #129B4E; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(18, 155, 78, 0.8); }

HTML: <p style="color:#129B4E">Text here</p> · <div style="background-color:#129B4E">Div content here</div>

Shades of #129B4E

Tints of #129B4E

Tones of #129B4E

Color harmonies

Complementary — #9B1260:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #129B4E: #000000.

Semi-transparent (opacity) text on #129B4E

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:

How #129B4E 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 #129B4E 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

← #129B4D  ·  #129B4F →

Frequently asked questions

What color is #129B4E?

#129B4E is Vivid Green, a green color (RGB 18, 155, 78). Its closest standard named color is SeaGreen.

What is the RGB and HSL of #129B4E?

#129B4E is RGB 18, 155, 78 — HSL 146°, 79%, 34% — CMYK 88%, 0%, 50%, 39%.

What colors go with #129B4E?

Its complement is #9B1260; analogous partners are #1B9B12 and #129B92. It also appears in 6+ palettes in our collection.

Can I use #129B4E for text?

Black text on #129B4E has a contrast ratio of 5.82:1 (passes WCAG AA); white text gives 3.61:1.