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Acid Fiji

#1fbb64
Notes

Acid Fiji (#1FBB64) is a true teal with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (147°, 72%, 43%) 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1fbb64
RGB
rgb(31, 187, 100)
HSL
hsl(147, 72%, 43%)
HWB
hwb(147 12% 27%)
OKLCH
oklch(69.7% 0.175 152.1)
HSV
hsv(147, 83%, 73%)
LAB
lab(67.09% -57.64 33.37)
LCH
lch(67.09% 66.60 149.93)
CMYK
cmyk(83%, 0%, 47%, 27%)

Etymology

Acid
adjective

Latin acidus, sour — sharing root with English acrid and acerbic. As a color modifier, acid implies a saturated-and-citric-and-zingy quality, the bright color of lemon-and-lime citrus-fruit-flesh and acid-yellow fluorescent-pigment surfaces. Sits at the bright-and-cool end of the grid, parallel to acidic and electric in usage.

Fiji
noun

The Melanesian archipelago — and the saturated turquoise of Fijian lagoons surrounding the Yasawa and Mamanuca island groups. Fiji refers to a Fijian lagoon at high tide: a saturated, slightly cool deep blue-green with the optical clarity of warm South Pacific water.

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

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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.

#1fbb64
Original
#bbab5d
Protanopia
#aa9e6a
Deuteranopia
#00b8a6
Tritanopia
#949494
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
2.51:1
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
8.35:1

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