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Cool Pine

#a1e9a3
Notes

Cool Pine (#A1E9A3) is a soft green 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 (122°, 62%, 77%) places it in the balanced band at a light lightness. It works as a background wash, large-area fill, or soft illustration tone. Add a darker ink of the same hue when you need type over it. 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
#a1e9a3
RGB
rgb(161, 233, 163)
HSL
hsl(122, 62%, 77%)
HWB
hwb(122 63% 9%)
OKLCH
oklch(86.9% 0.120 145.1)
P3
color(display-p3 0.6928 0.9061 0.6641)
HSV
hsv(122, 31%, 91%)
LAB
lab(86.25% -35.93 27.10)
LCH
lch(86.25% 45.00 142.98)
CMYK
cmyk(31%, 0%, 30%, 9%)

Etymology

Cool
adjective

Old English cōl, of low temperature — used as a color modifier as the complement to warm. Cool gray, cool blue: the optical impression of a slight blue-green shift, even within otherwise warm or neutral hues. Sits across the crisp, hushed, pale, and neutral buckets.

Pine
noun

The genus Pinus, conifers spread across nearly every continent — white, ponderosa, Scots, sugar — distinguished from spruce by needle clusters bound at the base. The color refers to mature pine needles in late summer: a saturated, slightly muted green with the resinous warmth of pine oil. Deeper than spruce, warmer than fir, with the unmistakable association of a forest where the ground is bare but the canopy never empties.

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.

#a1e9a3
Original
#ecdc9f
Protanopia
#e0d5a7
Deuteranopia
#99e5d7
Tritanopia
#d5d5d5
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
1.43:1
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
14.70:1

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
##A1E9A3
Display P3
Display P3
color(display-p3 0.6928 0.9061 0.6641)
P3 has subtle headroomOKLCH chroma 0.120

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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