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Neat Blank Mint

#66a56c
Notes

Neat Blank Mint (#66A56C) is a true green 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 (126°, 26%, 52%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#66a56c
RGB
rgb(102, 165, 108)
HSL
hsl(126, 26%, 52%)
HWB
hwb(126 40% 35%)
OKLCH
oklch(66.4% 0.106 146.5)
P3
color(display-p3 0.4566 0.6407 0.4443)
HSV
hsv(126, 38%, 65%)
LAB
lab(62.35% -32.41 23.34)
LCH
lch(62.35% 39.94 144.24)
CMYK
cmyk(38%, 0%, 35%, 35%)

Etymology

Neat
adjective

Old French net, clean / pure — sharing root with Latin nitidus. As a color modifier, neat implies a clear-and-orderly quality where the hue carries the well-arranged visual register without clutter or excess. Sits at the crisp-and-orderly end of the grid, parallel to trim and tidy in usage.

Blank
modifier

Old French blanc, white-or-empty. As a color modifier, blank implies an unmarked-and-empty-and-pristine quality, the visual register of fresh-page-and-primed-canvas-blank hand-unmarked-and-empty-and-pristine fresh-page-and-primed-canvas-and-white-room blanked-and-unmarked-and-empty-and-pristine surfaces under fresh-page-and-primed-canvas-and-white-room studio-and-stationer-and-gallery untouched-light. Sits at the modifier-and-mood end of the grid, parallel to void and hollow 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.

#66a56c
Original
#a79b68
Protanopia
#9d946f
Deuteranopia
#5ea296
Tritanopia
#939393
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).
Failon White
2.93:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
7.16:1

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
##66A56C
Display P3
Display P3
color(display-p3 0.4566 0.6407 0.4443)
P3 has subtle headroomOKLCH chroma 0.106

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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