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Defined Amor Turquoise

#15acb7
Notes

Defined Amor Turquoise (#15ACB7) is a true cyan with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (184°, 79%, 40%) 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
#15acb7
RGB
rgb(21, 172, 183)
HSL
hsl(184, 79%, 40%)
HWB
hwb(184 8% 28%)
OKLCH
oklch(68.0% 0.113 203.1)
P3
color(display-p3 0.3122 0.6645 0.7092)
HSV
hsv(184, 89%, 72%)
LAB
lab(64.23% -31.51 -15.91)
LCH
lch(64.23% 35.30 206.79)
CMYK
cmyk(89%, 6%, 0%, 28%)

Etymology

Defined
adjective

Latin dēfīnīre, to set bounds — past-participle of define. As a color modifier, defined implies a clear-and-edge-distinct-and-precise quality where the hue carries the visual register of sharp-bounded-and-clearly-delimited surface. Sits at the crisp-and-clear end of the grid, parallel to crisp and sharp in usage.

Amor
modifier

Latin amor, love. As a color modifier, amor implies a Latin-love-and-amor-vincit-omnia quality, the visual register of Vergilian-amor-and-Catullus-amor hand-Latin-love-and-amor-vincit-omnia Vergilian-amor-and-Catullus-amor-and-Ovid-Ars-Amatoria amor-and-Latin-love surfaces under Vergilian-amor-and-Catullus-amor-and-Ovid-Ars-Amatoria Augustan-Rome-and-Renaissance-Italy Roman-love-light. Sits at the modifier-and-Latin end of the grid, parallel to vita and via in usage.

Turquoise
noun

The hydrated copper-aluminum phosphate mined in Persia and the American Southwest for thousands of years — the firuze of Iran, the chalchihuitl of Mesoamerica, the heart of Pueblo and Navajo silverwork. The color refers to a fine Sleeping Beauty turquoise from Arizona: a saturated, slightly green-shifted blue with the slight matrix of host-rock veining. Brighter than persian, lighter than cerulean.

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.

#15acb7
Original
#9da4b8
Protanopia
#8995b8
Deuteranopia
#00b3af
Tritanopia
#8d8d8d
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
2.76:1
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
7.62:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##15ACB7
Display P3
Display P3
color(display-p3 0.3122 0.6645 0.7092)
P3 has subtle headroomOKLCH chroma 0.113

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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