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Homemade Millstone

#868999
Notes

Homemade Millstone (#868999) is a true blue with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (231°, 9%, 56%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#868999
RGB
rgb(134, 137, 153)
HSL
hsl(231, 9%, 56%)
HWB
hwb(231 53% 40%)
OKLCH
oklch(63.3% 0.024 277.3)
P3
color(display-p3 0.5276 0.5369 0.5946)
HSV
hsv(231, 12%, 60%)
LAB
lab(57.33% 2.25 -8.88)
LCH
lch(57.33% 9.16 284.25)
CMYK
cmyk(12%, 10%, 0%, 40%)

Etymology

Homemade
adjective

English compound home + past-participle made — sharing root with make. As a color modifier, homemade implies a neutral-and-handcrafted-and-domestic quality, the neutral color of American-and-English-cottage hand-made-and-home-craft household-textile-and-pottery surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to handmade and handcrafted in usage.

Millstone
noun

Old English myln-stān, grinding-stone — the iconic cool-mid-gray hand-cut grinding-stone pair of pre-modern European grist-mill operations, particularly the Derbyshire-gritstone and French-buhrstone traditions. Millstone color refers to a freshly dressed Derbyshire-gritstone millstone face in raking light: a balanced cool gray with the matte finish of Carboniferous-gritstone hand-quarried-and-hand-cut grist-mill grinding-pair.

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.

#868999
Original
#858a9a
Protanopia
#848999
Deuteranopia
#828c8e
Tritanopia
#8a8a8a
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
3.47:1
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
6.05:1

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
##868999
Display P3
Display P3
color(display-p3 0.5276 0.5369 0.5946)
Inside sRGBOKLCH chroma 0.024

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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