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Throbbing Phuket

#40b865
Notes

Throbbing Phuket (#40B865) 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 (139°, 48%, 49%) 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
#40b865
RGB
rgb(64, 184, 101)
HSL
hsl(139, 48%, 49%)
HWB
hwb(139 25% 28%)
OKLCH
oklch(69.6% 0.160 150.1)
P3
color(display-p3 0.3919 0.7119 0.4290)
HSV
hsv(139, 65%, 72%)
LAB
lab(66.75% -51.57 32.55)
LCH
lch(66.75% 60.98 147.74)
CMYK
cmyk(65%, 0%, 45%, 28%)

Etymology

Throbbing
adjective

Imitative-onomatopoeic origin — present-participle of throb, with sound-and-action mimicry. As a color modifier, throbbing implies a saturated-and-pulsing-and-resonant quality, the bright color of bass-drop-and-rave-light low-frequency rhythm-pulse emission. Sits at the bright-and-active end of the grid, parallel to pulsating and strobing in usage.

Phuket
noun

The Thai island in the Andaman Sea — and the saturated turquoise of Phuket's western beach water at Patong and Karon. Phuket refers to the beach water at midday: a saturated, slightly cool deep blue-green with the optical clarity of warm tropical-Asian 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

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.

#40b865
Original
#b9a95f
Protanopia
#aa9e6b
Deuteranopia
#0eb5a4
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
2.54:1
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
8.26:1

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
##40B865
Display P3
Display P3
color(display-p3 0.3919 0.7119 0.4290)
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.

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