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Searing Macaw

#66b22c
Notes

Searing Macaw (#66B22C) is a true lime 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 (94°, 60%, 44%) 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
#66b22c
RGB
rgb(102, 178, 44)
HSL
hsl(94, 60%, 44%)
HWB
hwb(94 17% 30%)
OKLCH
oklch(68.8% 0.180 134.9)
HSV
hsv(94, 75%, 70%)
LAB
lab(65.63% -45.53 57.12)
LCH
lch(65.63% 73.05 128.56)
CMYK
cmyk(43%, 0%, 75%, 30%)

Etymology

Searing
adjective

Old English sēarian, to wither — present-participle of sear. As a color modifier, searing implies a saturated-and-burning-touch-hot quality, the bright color of cast-iron-griddle high-heat surface-emission. Sits at the bright-and-warm end of the grid, parallel to scorching and blazing in usage.

Macaw
noun

The genus Ara — large neotropical parrots — particularly A. militaris (military macaw) whose plumage is dominated by saturated green. The color refers to a military macaw's wing covers: a saturated, slightly cool deep green with the matte finish of structural-and-pigment feather color. Cooler than parakeet.

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.

#66b22c
Original
#b9a30e
Protanopia
#af9d3a
Deuteranopia
#64ab98
Tritanopia
#989898
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
2.64:1
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
7.97:1

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