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Plumb Float Turquoise

#02b0bc
Notes

Plumb Float Turquoise (#02B0BC) is a true cyan with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (184°, 98%, 37%) 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
#02b0bc
RGB
rgb(2, 176, 188)
HSL
hsl(184, 98%, 37%)
HWB
hwb(184 1% 26%)
OKLCH
oklch(69.0% 0.117 203.5)
P3
color(display-p3 0.3086 0.6798 0.7283)
HSV
hsv(184, 99%, 74%)
LAB
lab(65.51% -32.58 -16.76)
LCH
lch(65.51% 36.64 207.22)
CMYK
cmyk(99%, 6%, 0%, 26%)

Etymology

Plumb
adjective

Latin plumbum, lead — referring to the lead-weighted plumb-line of pre-modern carpentry. As a color modifier, plumb implies a clear-and-vertical-true quality where the hue carries the visual register of gravity-aligned-and-perfectly-vertical surface. Sits at the crisp-and-balanced end of the grid, parallel to level and squared in usage.

Float
modifier

Old English flotian, to-move-on-water-surface. As a color modifier, float implies a buoyant-and-untethered-and-drifting quality, the visual register of lotus-pond-and-petal-on-river-float hand-buoyant-and-untethered-and-drifting lotus-pond-and-petal-on-river-and-paper-lantern floated-and-buoyant-and-untethered-and-drifting surfaces under lotus-pond-and-petal-on-river-and-paper-lantern Heian-and-Edo-and-Yangtze still-water-light. Sits at the modifier-and-mood end of the grid, parallel to drift and hover in usage.

Turquoise
noun

The hydrated copper-aluminum phosphate mined in Persia and the American Southwest for thousands of years — the firuze of Iran, the chalchihuitl of Mesoamerica, the heart of Pueblo and Navajo silverwork. The color refers to a fine Sleeping Beauty turquoise from Arizona: a saturated, slightly green-shifted blue with the slight matrix of host-rock veining. Brighter than persian, lighter than cerulean.

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.

#02b0bc
Original
#a1a8bd
Protanopia
#8b98bc
Deuteranopia
#00b8b3
Tritanopia
#8c8c8c
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
2.65:1
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
7.94:1

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
##02B0BC
Display P3
Display P3
color(display-p3 0.3086 0.6798 0.7283)
P3 has subtle headroomOKLCH chroma 0.117

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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