colors
Back to gallery

Sparking Iceland

#66b34a
Notes

Sparking Iceland (#66B34A) 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 (104°, 42%, 50%) 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
#66b34a
RGB
rgb(102, 179, 74)
HSL
hsl(104, 42%, 50%)
HWB
hwb(104 29% 30%)
OKLCH
oklch(69.4% 0.160 138.2)
P3
color(display-p3 0.4723 0.6945 0.3445)
HSV
hsv(104, 59%, 70%)
LAB
lab(66.18% -43.40 45.44)
LCH
lch(66.18% 62.83 133.68)
CMYK
cmyk(43%, 0%, 59%, 30%)

Etymology

Sparking
adjective

Old English spearca, spark — present-participle of spark. As a color modifier, sparking implies a saturated-and-electrical-emission quality, the bright color of welding-arc-and-Tesla-coil high-voltage spark-discharge emission. Sits at the bright-and-electric end of the grid, parallel to flashing and coruscating in usage.

Iceland
noun

The North Atlantic island — and the saturated green of Icelandic mossy lava fields and the þúfur (hummocky) tussocks of Icelandic farmland. Iceland refers to an Icelandic moss-covered lava field: a saturated, slightly cool deep yellow-green with the slightly velvet matte finish of dense mossy undergrowth.

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.

#66b34a
Original
#b8a53f
Protanopia
#ae9e52
Deuteranopia
#61ad9c
Tritanopia
#9b9b9b
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
2.59:1
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
8.11:1

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
##66B34A
Display P3
Display P3
color(display-p3 0.4723 0.6945 0.3445)
P3 has subtle headroomOKLCH chroma 0.160

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.

Related Colors

Canvas