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Grounded Madrone

#3ba21f
Notes

Grounded Madrone (#3BA21F) is a true green with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (107°, 68%, 38%) 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
#3ba21f
RGB
rgb(59, 162, 31)
HSL
hsl(107, 68%, 38%)
HWB
hwb(107 12% 36%)
OKLCH
oklch(62.8% 0.188 140.2)
HSV
hsv(107, 81%, 64%)
LAB
lab(58.85% -52.61 54.27)
LCH
lch(58.85% 75.59 134.11)
CMYK
cmyk(64%, 0%, 81%, 36%)

Etymology

Grounded
adjective

Old English grund, bottom / foundation — past-participle of ground. As a color modifier, grounded implies a saturated-and-foundational quality where the hue anchors the surrounding palette through its weighty presence. Sits at the bold-and-balanced end of the grid, parallel to centered and anchored.

Madrone
noun

Arbutus menziesii, the Pacific madrone — a Pacific Northwest broadleaf evergreen with distinctive peeling orange bark and saturated green leaves. The color refers to mature madrone foliage in California oak woodland: a saturated, slightly cool deep green with the glossy finish of waxy cuticle. Cooler than redwood.

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.

#3ba21f
Original
#a79300
Protanopia
#9a8a2f
Deuteranopia
#2c9d8a
Tritanopia
#838383
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
3.29:1
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
6.37:1

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