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Genuine Mesh Lagoon

#18b5d2
Notes

Genuine Mesh Lagoon (#18B5D2) 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 (189°, 79%, 46%) 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
#18b5d2
RGB
rgb(24, 181, 210)
HSL
hsl(189, 79%, 46%)
HWB
hwb(189 9% 18%)
OKLCH
oklch(71.3% 0.123 215.1)
HSV
hsv(189, 89%, 82%)
LAB
lab(67.94% -27.04 -25.19)
LCH
lch(67.94% 36.96 222.97)
CMYK
cmyk(89%, 14%, 0%, 18%)

Etymology

Genuine
adjective

Latin genuinus, natural, innate — used as a color modifier since the sixteenth century for hues that read as authentic rather than imitated. Genuine indigo, genuine ochre: moderate-to-high saturation combined with the optical impression of a hue from real pigment rather than synthetic dye. Sits at the crisp-bucket alongside true and honest.

Mesh
modifier

Old English mæscre, netting. As a color modifier, mesh implies a netted-and-woven-network quality, the visual register of hand-knotted-and-woven-mesh hand-knotted-and-woven-net wire-and-fiber-and-cord-mesh hand-knotted-and-woven-mesh-and-net surfaces under hand-knotted-and-woven-mesh-and-net working light. Sits at the modifier-and-texture end of the grid, parallel to wire and web 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.

#18b5d2
Original
#a1afd4
Protanopia
#8a9ed2
Deuteranopia
#00c0be
Tritanopia
#969696
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
2.45:1
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
8.58:1

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Canvas