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Mellowing Hyacinth

#978996
Notes

Mellowing Hyacinth (#978996) is a balanced neutral with a mono character. It's a grayscale value, at home in typography, dividers, and the structural layer beneath stronger colors. Its HSL profile (304°, 6%, 56%) places it in the muted band at a mid lightness. It works well as secondary text, borders, and placeholder states. A reliable middle gray that reads cleanly in either light or dark contexts. Pair it with almost any saturated accent. It's built to sit underneath or behind stronger colors without fighting them.

HEX
#978996
RGB
rgb(151, 137, 150)
HSL
hsl(304, 6%, 56%)
HWB
hwb(304 54% 41%)
OKLCH
oklch(64.7% 0.025 328.1)
P3
color(display-p3 0.5829 0.5392 0.5848)
HSV
hsv(304, 9%, 59%)
LAB
lab(58.67% 7.69 -5.01)
LCH
lch(58.67% 9.17 326.94)
CMYK
cmyk(0%, 9%, 1%, 41%)

Etymology

Mellowing
adjective

Old English mealu, meal / soft — present-participle of mellow. As a color modifier, mellowing implies a hushed-and-softening-and-deepening quality where the hue carries the visual register of Burgundy-and-Bordeaux multi-decade gradually-mellowing-and-deepening wine-aging maturation. Sits at the hushed-and-aged end of the grid, parallel to aging and softening in usage.

Hyacinth
noun

Hyacinthus orientalis, the bulb cultivated in Persian and Ottoman gardens since at least the eleventh century, named in Greek myth for the youth Hyakinthos accidentally killed by Apollo. The color refers to a fresh purple-blue hyacinth in spring bloom: a saturated, slightly violet-shifted blue with the matte finish of densely packed corollas. Cooler than larkspur, warmer than iris, with the perfumed weight of a flower whose scent fills a greenhouse from doorway to back wall.

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.

#978996
Original
#888c97
Protanopia
#8b8e95
Deuteranopia
#988a8d
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).
AA Largeon White
3.32:1
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
6.33:1

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
##978996
Display P3
Display P3
color(display-p3 0.5829 0.5392 0.5848)
Inside sRGBOKLCH chroma 0.025

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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