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Dominant Boboli

#288a37
Notes

Dominant Boboli (#288A37) 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 (129°, 55%, 35%) 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
#288a37
RGB
rgb(40, 138, 55)
HSL
hsl(129, 55%, 35%)
HWB
hwb(129 16% 46%)
OKLCH
oklch(55.9% 0.150 145.6)
P3
color(display-p3 0.2775 0.5336 0.2566)
HSV
hsv(129, 71%, 54%)
LAB
lab(50.57% -45.89 35.82)
LCH
lch(50.57% 58.21 142.02)
CMYK
cmyk(71%, 0%, 60%, 46%)

Etymology

Dominant
adjective

Latin dominārī, to rule — present-participle of dominate. As a color modifier, dominant implies a saturated-and-leading quality where the hue claims visual precedence over neighboring colors in the surrounding palette. Sits at the bold-and-imperative end of the grid, parallel to commanding and authoritative.

Boboli
noun

The Florentine palace gardens behind Palazzo Pitti — and the saturated green of Boboli's Anfiteatro and Viottolone cypress-lined avenues. Boboli refers to a Boboli cypress avenue at midday: a deep, slightly cool dark green with the matte finish of mature Cupressus sempervirens foliage.

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.

#288a37
Original
#8c7d2f
Protanopia
#81753e
Deuteranopia
#018778
Tritanopia
#6f6f6f
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
4.39:1
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
4.78:1

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
##288A37
Display P3
Display P3
color(display-p3 0.2775 0.5336 0.2566)
P3 has subtle headroomOKLCH chroma 0.150

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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