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Rousing Tabbouleh

#51b813
Notes

Rousing Tabbouleh (#51B813) is a true lime with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (97°, 81%, 40%) places it in the highly saturated band at a mid 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
#51b813
RGB
rgb(81, 184, 19)
HSL
hsl(97, 81%, 40%)
HWB
hwb(97 7% 28%)
OKLCH
oklch(69.4% 0.208 137.7)
P3
color(display-p3 0.4272 0.7126 0.2267)
HSV
hsv(97, 90%, 72%)
LAB
lab(66.58% -55.35 64.25)
LCH
lch(66.58% 84.80 130.75)
CMYK
cmyk(56%, 0%, 90%, 28%)

Etymology

Rousing
adjective

Old English rūsan, to rush — present-participle of rouse. As a color modifier, rousing implies a saturated-and-wakening-and-active quality, the bright color of dawn-chorus-and-morning-bell atmospheric-and-aural stimulation. Sits at the bright-and-active end of the grid, parallel to awakening and invigorating in usage.

Tabbouleh
noun

The Levantine bulgur-and-parsley salad — primarily fresh flat-leaf parsley with mint, tomato, lemon, and olive oil — traditional across Lebanese, Syrian, and Palestinian mezze tables. Tabbouleh color refers to fresh-chopped parsley in a tabbouleh: a saturated, slightly cool deep yellow-green with the matte finish of chopped fresh parsley.

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.

#51b813
Original
#bea700
Protanopia
#b19f2d
Deuteranopia
#48b19c
Tritanopia
#969696
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
2.56:1
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
8.22:1

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
##51B813
Display P3
Display P3
color(display-p3 0.4272 0.7126 0.2267)
P3 has visible headroomOKLCH chroma 0.208

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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