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Pulsating Catmint

#37a956
Notes

Pulsating Catmint (#37A956) 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 (136°, 51%, 44%) places it in the balanced 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
#37a956
RGB
rgb(55, 169, 86)
HSL
hsl(136, 51%, 44%)
HWB
hwb(136 22% 34%)
OKLCH
oklch(65.1% 0.158 148.8)
HSV
hsv(136, 67%, 66%)
LAB
lab(61.53% -50.06 33.59)
LCH
lch(61.53% 60.28 146.14)
CMYK
cmyk(67%, 0%, 49%, 34%)

Etymology

Pulsating
adjective

Latin pulsātio, beating — present-participle of pulsate, sharing root with pellere (to drive). As a color modifier, pulsating implies a saturated-and-beating-and-rhythmic quality, the bright color of rave-and-festival light-show synchronized-pulse rhythmic-emission. Sits at the bright-and-active end of the grid, parallel to throbbing and strobing in usage.

Catmint
noun

The genus Nepeta — particularly N. mussinii (catmint), the cottage-garden perennial with silver-green foliage and lavender-blue flower spikes. The color refers to a fresh catmint clump in May: a soft, slightly cool gray-green with the matte finish of small mint-family leaves. Cooler than santolina.

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

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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.

#37a956
Original
#aa9b4f
Protanopia
#9c915c
Deuteranopia
#03a696
Tritanopia
#8b8b8b
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
3.01:1
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
6.97:1

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