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Fortified Sage

#539815
Notes

Fortified Sage (#539815) is a deep lime 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 (92°, 76%, 34%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#539815
RGB
rgb(83, 152, 21)
HSL
hsl(92, 76%, 34%)
HWB
hwb(92 8% 40%)
OKLCH
oklch(61.0% 0.169 134.7)
P3
color(display-p3 0.3914 0.5895 0.1932)
HSV
hsv(92, 86%, 60%)
LAB
lab(56.44% -42.44 55.12)
LCH
lch(56.44% 69.56 127.59)
CMYK
cmyk(45%, 0%, 86%, 40%)

Etymology

Fortified
adjective

Latin fortificāre, to make strong — past-participle of fortify. As a color modifier, fortified implies a saturated-and-strengthened-and-defensive quality, the deep-rich color of Vauban-style military-fortification stone-and-earth rampart-and-bastion architecture. Sits at the bold-and-fortified end of the grid, parallel to bastioned and armored.

Sage
noun

Salvia officinalis, the Mediterranean kitchen herb whose silvery-green leaves give the color its name. The Latin salvia shares a root with salvuswhole, healthy — for the herb's medieval reputation as a panacea. The color refers to dried sage leaves rubbed for stuffing: a soft, slightly gray-green that's cooler than olive and warmer than mint, with the matte finish of leaf hair under a hand lens.

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.

#539815
Original
#9e8b00
Protanopia
#958526
Deuteranopia
#519281
Tritanopia
#808080
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
3.58:1
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
5.87:1

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
##539815
Display P3
Display P3
color(display-p3 0.3914 0.5895 0.1932)
P3 has subtle headroomOKLCH chroma 0.169

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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