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Quieted Acquerello

#637567
Notes

Quieted Acquerello (#637567) is a true green 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 (133°, 8%, 42%) 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#637567
RGB
rgb(99, 117, 103)
HSL
hsl(133, 8%, 42%)
HWB
hwb(133 39% 54%)
OKLCH
oklch(54.3% 0.030 151.9)
HSV
hsv(133, 15%, 46%)
LAB
lab(47.44% -9.66 5.51)
LCH
lch(47.44% 11.12 150.31)
CMYK
cmyk(15%, 0%, 12%, 54%)

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.

Acquerello
noun

The Italian word for watercolor — used for the soft, washed-out blue-greens characteristic of Italian Renaissance watercolor underpainting. Acquerello color refers to a watercolor wash on damp paper: a soft, slightly cool pale blue-green with the translucent finish of pigment-and-water on rag paper.

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.

#637567
Original
#757266
Protanopia
#727068
Deuteranopia
#617471
Tritanopia
#707070
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).
AAon White
4.92:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.27:1

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