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Phosphoric Polynesia

#2ad8bc
Notes

Phosphoric Polynesia (#2AD8BC) 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 (170°, 69%, 51%) 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2ad8bc
RGB
rgb(42, 216, 188)
HSL
hsl(170, 69%, 51%)
HWB
hwb(170 16% 15%)
OKLCH
oklch(79.3% 0.138 178.3)
P3
color(display-p3 0.4113 0.8349 0.7406)
HSV
hsv(170, 81%, 85%)
LAB
lab(78.01% -48.27 1.83)
LCH
lch(78.01% 48.30 177.83)
CMYK
cmyk(81%, 0%, 13%, 15%)

Etymology

Phosphoric
adjective

Greek phōsphóros, light-bringer — adjectival suffix -ic. As a color modifier, phosphoric implies a saturated-and-cool-glow quality, the bright color of match-tip-strike and firefly phosphorus-emission luminescence. Sits at the bright-and-cool end of the grid, parallel to phosphorescent and fluorescent 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

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.

#2ad8bc
Original
#cfcabb
Protanopia
#b9babe
Deuteranopia
#00dbd0
Tritanopia
#b1b1b1
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
1.80:1
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
11.65:1

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
##2AD8BC
Display P3
Display P3
color(display-p3 0.4113 0.8349 0.7406)
P3 has subtle headroomOKLCH chroma 0.138

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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