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Quieted Tide

#688d8d
Notes

Quieted Tide (#688D8D) is a true cyan with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (180°, 15%, 48%) places it in the muted 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#688d8d
RGB
rgb(104, 141, 141)
HSL
hsl(180, 15%, 48%)
HWB
hwb(180 41% 45%)
OKLCH
oklch(61.6% 0.041 196.1)
P3
color(display-p3 0.4381 0.5489 0.5509)
HSV
hsv(180, 26%, 55%)
LAB
lab(56.00% -12.76 -4.17)
LCH
lch(56.00% 13.43 198.10)
CMYK
cmyk(26%, 0%, 0%, 45%)

Etymology

Quieted
adjective

Latin quiētus, quiet — past-participle of quiet. As a color modifier, quieted implies a hushed-and-soothed-and-calmed quality where the hue carries the visual register of intentionally-calmed-and-quieted ambient-environment color-treatment finished-state. Sits at the hushed-and-soft end of the grid, parallel to softened and muffled in usage.

Tide
noun

The slow flow of seawater driven by lunar gravity — the daily cycle of high to low and back. Tidal and tide used as a color refer to the deep blue-green of coastal water at mid-tide on an overcast day: a soft, slightly muted blue-green with the optical complexity of water in motion. Cooler than reef, deeper than seafoam, with the ecological weight of a force that has shaped every coastline on Earth.

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.

#688d8d
Original
#88898d
Protanopia
#81848d
Deuteranopia
#5b8f8d
Tritanopia
#858585
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).
AA Largeon White
3.63:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.78:1

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
##688D8D
Display P3
Display P3
color(display-p3 0.4381 0.5489 0.5509)
Inside sRGBOKLCH chroma 0.041

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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