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Plumb Reap Lagoon

#4f98b6
Notes

Plumb Reap Lagoon (#4F98B6) is a true cyan 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 (197°, 41%, 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4f98b6
RGB
rgb(79, 152, 182)
HSL
hsl(197, 41%, 51%)
HWB
hwb(197 31% 29%)
OKLCH
oklch(64.4% 0.085 227.2)
P3
color(display-p3 0.3812 0.5893 0.7014)
HSV
hsv(197, 57%, 71%)
LAB
lab(59.43% -14.03 -22.53)
LCH
lch(59.43% 26.54 238.09)
CMYK
cmyk(57%, 16%, 0%, 29%)

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.

Reap
modifier

Old English rīpan, to harvest. As a color modifier, reap implies an autumn-harvest-and-sickle quality, the visual register of late-summer-and-early-autumn hand-reaping-and-binding wheat-and-barley harvest-and-sickle-and-sheaf surfaces under late-summer-and-early-autumn harvest-field raking-light. Sits at the modifier-and-time end of the grid, parallel to fall and harvest in usage.

Lagoon
noun

A shallow body of saltwater partially or fully enclosed by a barrier — coral atoll lagoons in the Pacific, Venice's Laguna Veneta, the Florida Keys' backcountry. The color refers to the average reflectance of a calm tropical lagoon at midday: a saturated, slightly muted blue-green with the optical clarity of shallow water over white sand. Brighter than reef, cooler than aquamarine, with the postcard weight of a Pacific atoll seen from above.

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.

#4f98b6
Original
#8895b8
Protanopia
#798ab6
Deuteranopia
#00a1a2
Tritanopia
#8b8b8b
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).
AA Largeon White
3.23:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.50:1

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
##4F98B6
Display P3
Display P3
color(display-p3 0.3812 0.5893 0.7014)
P3 has subtle headroomOKLCH chroma 0.085

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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