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Pragmatic Zephyr Turquoise

#59f5f1
Notes

Pragmatic Zephyr Turquoise (#59F5F1) is a true cyan with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (178°, 89%, 65%) 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
#59f5f1
RGB
rgb(89, 245, 241)
HSL
hsl(178, 89%, 65%)
HWB
hwb(178 35% 4%)
OKLCH
oklch(88.8% 0.129 192.6)
P3
color(display-p3 0.5314 0.9482 0.9399)
HSV
hsv(178, 64%, 96%)
LAB
lab(88.82% -41.17 -10.17)
LCH
lch(88.82% 42.41 193.88)
CMYK
cmyk(64%, 0%, 2%, 4%)

Etymology

Pragmatic
adjective

Greek pragmatikós, of business / practical — adjectival suffix -ic. As a color modifier, pragmatic implies a clear-and-purpose-fit-and-no-nonsense quality where the hue carries the visual register of straightforward-utilitarian-and-functional decision-making. Sits at the crisp-and-functional end of the grid, parallel to practical and functional in usage.

Zephyr
modifier

Greek ζέφυρος, gentle-west-wind. As a color modifier, zephyr implies a gentle-west-wind-and-Mediterranean-breeze quality, the visual register of Greek-Zephyrus-and-Botticelli-Primavera-zephyr hand-gentle-west-wind-and-Mediterranean-breeze Greek-Zephyrus-and-Botticelli-Primavera-zephyr-and-Hellenic-Anemoi zephyr-and-gentle-west-wind surfaces under Greek-Zephyrus-and-Botticelli-Primavera-zephyr-and-Hellenic-Anemoi Hellenic-Mediterranean-and-Florentine-spring gentle-Mediterranean-breeze-light. Sits at the modifier-and-weather end of the grid, parallel to gust and mistral 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.

#59f5f1
Original
#e7e9f1
Protanopia
#cfd8f2
Deuteranopia
#00fcf3
Tritanopia
#d4d4d4
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
1.33:1
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
15.76:1

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
##59F5F1
Display P3
Display P3
color(display-p3 0.5314 0.9482 0.9399)
P3 has subtle headroomOKLCH chroma 0.129

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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