colors
Back to gallery

Lulled Mint

#647f6c
Notes

Lulled Mint (#647F6C) 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 (138°, 12%, 45%) 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
#647f6c
RGB
rgb(100, 127, 108)
HSL
hsl(138, 12%, 45%)
HWB
hwb(138 39% 50%)
OKLCH
oklch(57.0% 0.043 154.2)
P3
color(display-p3 0.4135 0.4950 0.4290)
HSV
hsv(138, 21%, 50%)
LAB
lab(50.65% -13.83 7.17)
LCH
lch(50.65% 15.57 152.60)
CMYK
cmyk(21%, 0%, 15%, 50%)

Etymology

Lulled
adjective

Imitative-onomatopoeic origin — past-participle of lull, evoking the sound of a soft hush. As a color modifier, lulled implies a hushed-and-quieted-and-soothed quality where the hue carries the visual register of softly-muted-and-quieted ambient color. Sits at the hushed-and-soft end of the grid, parallel to muffled and softened in usage.

Mint
noun

The genus Mentha — peppermint, spearmint, apple mint, water mint — the cooling herb whose menthol gives it that quality at the molecular level. The color refers to fresh peppermint leaves before drying: a clean, slightly cool green with the matte finish of trichome-rich leaf surface. Lighter than basil, cooler than parsley, with the mojito-and-Pimm's association of a herb tied to summer drinks across two continents.

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.

#647f6c
Original
#7f7b6b
Protanopia
#7a776d
Deuteranopia
#607e7a
Tritanopia
#787878
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
4.38:1
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
4.79:1

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
##647F6C
Display P3
Display P3
color(display-p3 0.4135 0.4950 0.4290)
Inside sRGBOKLCH chroma 0.043

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.

Related Colors

Canvas