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Burning Agua

#66de8e
Notes

Burning Agua (#66DE8E) is a true green with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (140°, 65%, 64%) 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
#66de8e
RGB
rgb(102, 222, 142)
HSL
hsl(140, 65%, 64%)
HWB
hwb(140 40% 13%)
OKLCH
oklch(81.2% 0.157 152.2)
HSV
hsv(140, 54%, 87%)
LAB
lab(80.19% -51.24 29.27)
LCH
lch(80.19% 59.01 150.26)
CMYK
cmyk(54%, 0%, 36%, 13%)

Etymology

Burning
adjective

The progressive participle of burn — used as a color modifier for hues that read as actively luminous, as if combustion is in progress. Burning red, burning orange: the implication is high saturation combined with thermal heat. Sits in the bright-and-warm corner alongside hot and flame. Slightly more active than smoldering.

Agua
noun

The Spanish word for water — used in agua fresca, agua marina (sea water), and the pale blue-green tile of Andalusian fountains. The color refers to a Sevillian agua-tile fountain: a soft, slightly cool pale blue-green with the high gloss of fired Andalusian ceramic.

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.

#66de8e
Original
#dece89
Protanopia
#cec293
Deuteranopia
#47dbca
Tritanopia
#bfbfbf
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
1.69:1
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
12.40:1

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