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Praetorian Sage

#639508
Notes

Praetorian Sage (#639508) 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 (81°, 90%, 31%) 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
#639508
RGB
rgb(99, 149, 8)
HSL
hsl(81, 90%, 31%)
HWB
hwb(81 3% 42%)
OKLCH
oklch(61.1% 0.161 129.6)
P3
color(display-p3 0.4314 0.5791 0.1760)
HSV
hsv(81, 95%, 58%)
LAB
lab(56.25% -35.72 57.79)
LCH
lch(56.25% 67.94 121.72)
CMYK
cmyk(34%, 0%, 95%, 42%)

Etymology

Praetorian
adjective

Latin praetōriānus, of the praetor — adjectival suffix, referring to the Roman-Imperial elite guard-cohorts. As a color modifier, praetorian implies a saturated-and-elite-and-imperial-guard quality, the deep-rich color of Roman-Praetorian-Guard elite-imperial-bodyguard scarlet-tunic-and-bronze-armor military-formation. Sits at the bold-and-formal end of the grid, parallel to spartan and imperial.

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.

#639508
Original
#9d8900
Protanopia
#96861f
Deuteranopia
#668e7e
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
3.60:1
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
5.83:1

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
##639508
Display P3
Display P3
color(display-p3 0.4314 0.5791 0.1760)
P3 has subtle headroomOKLCH chroma 0.161

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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