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Stimulating Conifer

#55b240
Notes

Stimulating Conifer (#55B240) 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 (109°, 47%, 47%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#55b240
RGB
rgb(85, 178, 64)
HSL
hsl(109, 47%, 47%)
HWB
hwb(109 25% 30%)
OKLCH
oklch(68.2% 0.175 140.2)
HSV
hsv(109, 64%, 70%)
LAB
lab(65.07% -49.16 48.49)
LCH
lch(65.07% 69.05 135.39)
CMYK
cmyk(52%, 0%, 64%, 30%)

Etymology

Stimulating
adjective

Latin stimulāns, spurring on — present-participle of stimulate, derived from stimulus (a goad). As a color modifier, stimulating implies a saturated-and-arousing-and-attentive quality where the hue increases visual-and-cognitive engagement. Sits at the bright-and-active end of the grid, parallel to invigorating and bracing in usage.

Conifer
noun

Coniferales, the cone-bearing trees that dominate boreal and high-altitude forests across both hemispheres. The color refers to the average reflectance of a mid-summer conifer canopy: a deep, slightly muted green with the matte finish of resinous needle foliage. Darker than meadow, cooler than basil, with the structural weight of a forest type that traps more carbon per hectare than almost any other.

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.

#55b240
Original
#b7a332
Protanopia
#ab9b4a
Deuteranopia
#4bac9a
Tritanopia
#969696
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
2.68:1
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
7.83:1

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