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Opulent Vita Emerald

#307f18
Notes

Opulent Vita Emerald (#307F18) is a deep green with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (106°, 68%, 30%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#307f18
RGB
rgb(48, 127, 24)
HSL
hsl(106, 68%, 30%)
HWB
hwb(106 9% 50%)
OKLCH
oklch(52.7% 0.155 139.8)
HSV
hsv(106, 81%, 50%)
LAB
lab(46.81% -43.05 44.97)
LCH
lch(46.81% 62.26 133.75)
CMYK
cmyk(62%, 0%, 81%, 50%)

Etymology

Opulent
adjective

Latin opulentus, rich / wealthy — derived from ops (wealth). As a color modifier, opulent implies a saturated-and-luxurious quality, the deep-rich color of Belle-Époque and Gilded-Age interior-decoration silk-and-velvet textiles. Sits at the bold-and-saturated end of the grid, parallel to lavish and sumptuous.

Vita
modifier

Latin vita, life-or-living. As a color modifier, vita implies a Latin-life-and-living-quality quality, the visual register of Roman-vita-and-dolce-vita-Latin-life hand-Latin-life-and-living-quality Roman-vita-and-dolce-vita-Latin-life-and-Vergilian-pastoral vita-and-Latin-life-and-living-quality surfaces under Roman-vita-and-dolce-vita-Latin-life-and-Vergilian-pastoral Augustan-Rome-and-Renaissance-Italy living-Roman-light. Sits at the modifier-and-Latin end of the grid, parallel to amor and via in usage.

Emerald
noun

A chromium-tinged variety of beryl — the gemstone mined from the Cleopatra-era Mons Smaragdus in Egypt, the Muzo deposits of Colombia, and the Sandawana mines of Zimbabwe. Emerald green refers to a high-clarity faceted emerald with strong color saturation: a saturated, slightly blue-shifted green with the gem's signature internal life. Cooler than fern, warmer than teal, with the heraldic weight of two thousand years of royal favor.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

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Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#307f18
Original
#837300
Protanopia
#796c24
Deuteranopia
#267b6c
Tritanopia
#676767
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon White
5.03:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.17:1

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