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Holographic Prow Eucalyptus

#42daa3
Notes

Holographic Prow Eucalyptus (#42DAA3) 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 (158°, 67%, 56%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#42daa3
RGB
rgb(66, 218, 163)
HSL
hsl(158, 67%, 56%)
HWB
hwb(158 26% 15%)
OKLCH
oklch(79.6% 0.150 164.4)
HSV
hsv(158, 70%, 85%)
LAB
lab(78.43% -52.34 15.77)
LCH
lch(78.43% 54.66 163.23)
CMYK
cmyk(70%, 0%, 25%, 15%)

Etymology

Holographic
adjective

Greek hólos (whole) and graphé (writing) — adjectival suffix -ic. As a color modifier, holographic implies a saturated-and-multi-angle-shifting quality, the bright color of holographic-credit-card and trading-card dichroic-film 3D-image-reflection. Sits at the bright-and-shifting end of the grid, parallel to iridescent and prismatic in usage.

Prow
modifier

Old French proue, ship's-front. As a color modifier, prow implies a ship's-front-and-figurehead quality, the visual register of Royal-Navy-and-Tall-Ship-Prow hand-carved ship's-front-and-figurehead prow-and-cutwater-and-bowsprit maritime-architecture surfaces under tall-ship-prow-and-figurehead maritime-headway light. Sits at the modifier-and-nautical end of the grid, parallel to bow and hull 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

Click any swatch to explore

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.

#42daa3
Original
#d6caa0
Protanopia
#c2bca7
Deuteranopia
#00dacb
Tritanopia
#b6b6b6
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
1.78:1
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
11.79:1

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