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Homemade Flint

#556466
Notes

Homemade Flint (#556466) 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 (187°, 9%, 37%) 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
#556466
RGB
rgb(85, 100, 102)
HSL
hsl(187, 9%, 37%)
HWB
hwb(187 33% 60%)
OKLCH
oklch(49.1% 0.019 206.4)
P3
color(display-p3 0.3447 0.3904 0.3984)
HSV
hsv(187, 17%, 40%)
LAB
lab(41.22% -5.22 -3.05)
LCH
lch(41.22% 6.04 210.31)
CMYK
cmyk(17%, 2%, 0%, 60%)

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.

Flint
noun

A microcrystalline form of quartz — flint nodules in chalk beds were knapped into the first stone tools of the Paleolithic, two and a half million years ago. The color refers to a freshly knapped flint flake: a soft, slightly muted dark gray with the conchoidal fracture of silica. Warmer than slate, deeper than pebble, with the prehistoric weight of a material that shaped the entire Stone Age.

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.

#556466
Original
#616366
Protanopia
#5e6066
Deuteranopia
#506565
Tritanopia
#616161
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
6.17:1
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
3.40:1

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
##556466
Display P3
Display P3
color(display-p3 0.3447 0.3904 0.3984)
Inside sRGBOKLCH chroma 0.019

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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