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Spangled Iceland

#64b21b
Notes

Spangled Iceland (#64B21B) 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 (91°, 74%, 40%) 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
#64b21b
RGB
rgb(100, 178, 27)
HSL
hsl(91, 74%, 40%)
HWB
hwb(91 11% 30%)
OKLCH
oklch(68.7% 0.189 134.4)
P3
color(display-p3 0.4659 0.6906 0.2331)
HSV
hsv(91, 85%, 70%)
LAB
lab(65.46% -47.06 61.90)
LCH
lch(65.46% 77.76 127.24)
CMYK
cmyk(44%, 0%, 85%, 30%)

Etymology

Spangled
adjective

Middle Dutch spange, clasp / metal-disc — past-participle of spangle. As a color modifier, spangled implies a saturated-and-multi-point-reflective quality, the bright color of American-flag-stars and sequined-fabric metallic-disc-and-jewel-decoration. Sits at the bright-and-reflective end of the grid, parallel to glittering and sequined 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.

#64b21b
Original
#b9a300
Protanopia
#af9d2f
Deuteranopia
#63ab98
Tritanopia
#979797
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
2.65:1
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
7.93:1

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
##64B21B
Display P3
Display P3
color(display-p3 0.4659 0.6906 0.2331)
P3 has visible headroomOKLCH chroma 0.189

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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