Palettes / Colors / #12E243

#12E243 — Vivid Green

#12E243 is a green color we call Vivid Green, closest to the named color SpringGreen (#00FF7F). It belongs to the green family.

Color name

Closest CSS keyword: springgreen (#00FF7F) — not an exact match. CSS springgreen gives you #00FF7F, a different color; use #12E243 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.

#12E243 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 #E212B2; it also sits naturally between #4AE212 and #12E2AB. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 7% · Green 89% · Blue 26%

Cyan 92% · Magenta 0% · Yellow 70% · Key 11%

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

Previews

CSS code for #12E243

.text { color: #12E243; }
.background { background-color: #12E243; }
.border { border: 3px solid #12E243; }
.text-rgb { color: rgb(18, 226, 67); }
.text-hsl { color: hsl(134, 85%, 48%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #12E243; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(18, 226, 67, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #12E243; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(18, 226, 67, 0.8); }

HTML: <p style="color:#12E243">Text here</p> · <div style="background-color:#12E243">Div content here</div>

Shades of #12E243

Tints of #12E243

Tones of #12E243

Color harmonies

Complementary — #E212B2:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #12E243: #000000.

Semi-transparent (opacity) text on #12E243

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 #12E243 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 #12E243 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

← #12E242  ·  #12E244 →

Frequently asked questions

What color is #12E243?

#12E243 is Vivid Green, a green color (RGB 18, 226, 67). Its closest standard named color is SpringGreen.

What is the RGB and HSL of #12E243?

#12E243 is RGB 18, 226, 67 — HSL 134°, 85%, 48% — CMYK 92%, 0%, 70%, 11%.

What colors go with #12E243?

Its complement is #E212B2; analogous partners are #4AE212 and #12E2AB. It also appears in 6+ palettes in our collection.

Can I use #12E243 for text?

Black text on #12E243 has a contrast ratio of 11.99:1 (passes WCAG AA); white text gives 1.75:1.