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Throbbing Polynesia

#15ccbf
Notes

Throbbing Polynesia (#15CCBF) is a true cyan with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (176°, 81%, 44%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#15ccbf
RGB
rgb(21, 204, 191)
HSL
hsl(176, 81%, 44%)
HWB
hwb(176 8% 20%)
OKLCH
oklch(76.2% 0.131 186.6)
HSV
hsv(176, 90%, 80%)
LAB
lab(74.26% -43.75 -5.31)
LCH
lch(74.26% 44.07 186.93)
CMYK
cmyk(90%, 0%, 6%, 20%)

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.

Polynesia
noun

The vast triangle of Pacific islands — Hawaii, New Zealand, Easter Island, and the islands between. Polynesia refers to the unifying lagoon-blue-green of Polynesian atolls: a saturated, slightly cool deep blue-green with the optical clarity of warm Pacific lagoon water across thousands of cultural-cousin atolls.

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.

#15ccbf
Original
#c0c0bf
Protanopia
#aab0c1
Deuteranopia
#00d1c8
Tritanopia
#a4a4a4
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
2.02:1
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
10.42:1

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