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Iridescent Amazonite

#5ace8b
Notes

Iridescent Amazonite (#5ACE8B) is a true teal with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (145°, 54%, 58%) 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
#5ace8b
RGB
rgb(90, 206, 139)
HSL
hsl(145, 54%, 58%)
HWB
hwb(145 35% 19%)
OKLCH
oklch(76.7% 0.144 155.4)
HSV
hsv(145, 56%, 81%)
LAB
lab(74.94% -48.00 23.69)
LCH
lch(74.94% 53.53 153.73)
CMYK
cmyk(56%, 0%, 33%, 19%)

Etymology

Iridescent
adjective

Latin Īris, rainbow — adjectival suffix -escent, named for the Greek goddess of the rainbow. As a color modifier, iridescent implies a saturated-and-multi-spectrum-shifting quality, the bright color of peacock-feather-and-soap-bubble structurally-colored-and-thin-film optical-interference patterns. Sits at the bright-and-shifting end of the grid, parallel to prismatic and holographic in usage.

Amazonite
noun

A blue-green variety of microcline feldspar — colored by trace lead and water in its crystal structure. Mined since ancient times in the Russian Urals and now in Colorado, Madagascar, and Brazil. The color refers to a polished amazonite cabochon: a soft, slightly muted blue-green with the cloudy translucency of feldspar. Cooler than jade, warmer than cerulean, with the mineral-trade specificity of a stone named for the Amazon basin where it doesn't actually occur.

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.

#5ace8b
Original
#cdbf87
Protanopia
#bdb48f
Deuteranopia
#34ccbc
Tritanopia
#b1b1b1
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
1.97:1
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
10.64:1

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