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Dynamic Gust Eucalyptus

#1bd5a4
Notes

Dynamic Gust Eucalyptus (#1BD5A4) is a true teal with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (164°, 78%, 47%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1bd5a4
RGB
rgb(27, 213, 164)
HSL
hsl(164, 78%, 47%)
HWB
hwb(164 11% 16%)
OKLCH
oklch(77.7% 0.153 168.2)
HSV
hsv(164, 87%, 84%)
LAB
lab(76.37% -54.20 12.27)
LCH
lch(76.37% 55.57 167.25)
CMYK
cmyk(87%, 0%, 23%, 16%)

Etymology

Dynamic
adjective

From the Greek dynamis, power — used as a color modifier since the late nineteenth century for hues that read as energetic and active. Dynamic red, dynamic orange: the implication is saturation combined with optical motion. Sits at the bright-bucket center alongside vibrant and lively.

Gust
modifier

Old Norse gustr, sudden-burst-of-wind. As a color modifier, gust implies a sudden-burst-and-cliff-top-and-driven quality, the visual register of Cornish-cliff-and-Hebridean-gust hand-sudden-burst-and-cliff-top-and-driven Cornish-cliff-and-Hebridean-gust-and-North-Atlantic-front gust-and-sudden-burst-and-cliff-top surfaces under Cornish-cliff-and-Hebridean-gust-and-North-Atlantic-front Lizard-Point-and-Outer-Hebrides-and-Faroe-passage cliff-top-wind-light. Sits at the modifier-and-weather end of the grid, parallel to zephyr and mistral in usage.

Eucalyptus
noun

The genus Eucalyptus, the gum trees that dominate the Australian forest canopy and have been planted across the world for fast-growth timber and the menthol-camphor oil. The color refers to mature eucalyptus leaves with their pale waxy bloom: a soft, slightly muted blue-green with the matte finish of cuticle that reflects more light than typical foliage. Cooler than sage, warmer than mint.

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.

#1bd5a4
Original
#cfc5a1
Protanopia
#bab6a7
Deuteranopia
#00d6c7
Tritanopia
#aaaaaa
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).
Failon White
1.89:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
11.10:1

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