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Energetic Sage

#51b048
Notes

Energetic Sage (#51B048) 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 (115°, 42%, 49%) 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
#51b048
RGB
rgb(81, 176, 72)
HSL
hsl(115, 42%, 49%)
HWB
hwb(115 28% 31%)
OKLCH
oklch(67.7% 0.168 141.9)
P3
color(display-p3 0.4165 0.6818 0.3351)
HSV
hsv(115, 59%, 69%)
LAB
lab(64.38% -48.62 44.06)
LCH
lch(64.38% 65.62 137.82)
CMYK
cmyk(54%, 0%, 59%, 31%)

Etymology

Energetic
adjective

Greek energētikós, active — derived from energeia (activity). As a color modifier, energetic implies a saturated-and-kinetic-and-active quality where the hue carries visual vibration and movement-suggestion that engages the eye dynamically. Sits at the bright-and-active end of the grid, parallel to dynamic and spirited in usage.

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.

#51b048
Original
#b4a13d
Protanopia
#a89950
Deuteranopia
#44ab99
Tritanopia
#949494
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
2.74:1
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
7.65:1

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
##51B048
Display P3
Display P3
color(display-p3 0.4165 0.6818 0.3351)
P3 has subtle headroomOKLCH chroma 0.168

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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