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Bracing Sprout

#64a421
Notes

Bracing Sprout (#64A421) is a true lime with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (89°, 66%, 39%) 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#64a421
RGB
rgb(100, 164, 33)
HSL
hsl(89, 66%, 39%)
HWB
hwb(89 13% 36%)
OKLCH
oklch(65.1% 0.170 132.9)
P3
color(display-p3 0.4501 0.6368 0.2291)
HSV
hsv(89, 80%, 64%)
LAB
lab(61.11% -41.00 56.34)
LCH
lch(61.11% 69.68 126.04)
CMYK
cmyk(39%, 0%, 80%, 36%)

Etymology

Bracing
adjective

Old French bracier, to embrace — present-participle of brace. As a color modifier, bracing implies a saturated-and-cool-and-energizing quality, the bright color of Atlantic-Cornish-coast and Hebridean-island fresh-sea-air visual-stimulation. Sits at the bright-and-cool end of the grid, parallel to invigorating and crisp in usage.

Sprout
noun

A sprout is a newly emerged seedling — the first vascular leaves above the cotyledons, when chlorophyll is just developing. The color refers to a tray of pea or alfalfa sprouts: a soft, slightly yellow-shifted green with the optical translucency of cells full of water. Lighter than apple, cooler than wheat, with the optimism of growth visible over a single day.

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.

#64a421
Original
#ab9700
Protanopia
#a29230
Deuteranopia
#659d8c
Tritanopia
#8d8d8d
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
3.05:1
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
6.87:1

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
##64A421
Display P3
Display P3
color(display-p3 0.4501 0.6368 0.2291)
P3 has subtle headroomOKLCH chroma 0.170

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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