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Drawn Irish Lagoon

#39adca
Notes

Drawn Irish Lagoon (#39ADCA) 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 (192°, 58%, 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
#39adca
RGB
rgb(57, 173, 202)
HSL
hsl(192, 58%, 51%)
HWB
hwb(192 22% 21%)
OKLCH
oklch(69.6% 0.109 218.2)
P3
color(display-p3 0.3621 0.6692 0.7789)
HSV
hsv(192, 72%, 79%)
LAB
lab(65.76% -22.58 -24.07)
LCH
lch(65.76% 33.01 226.83)
CMYK
cmyk(72%, 14%, 0%, 21%)

Etymology

Drawn
adjective

Old English dragan, to draw — past-participle of draw. As a color modifier, drawn implies a clear-and-line-and-mark quality, the crisp color of Old-Master-and-Modernist hand-drawn studio-and-life-class observational-drawing graphite-and-charcoal lines. Sits at the crisp-and-incised end of the grid, parallel to etched and drafted in usage.

Irish
modifier

Old English Irisc, of-Ireland. As a color modifier, irish implies a Hibernian-and-peat quality, the visual register of Irish-Hibernian hand-built peat-and-stone-and-thatched cottage-and-pasture-and-bog surfaces under Hibernian-and-West-of-Ireland peat-bog-and-cottage atmospheric light. Sits at the modifier-and-cultural end of the grid, parallel to welsh and celtic 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.

#39adca
Original
#9aa8cc
Protanopia
#8699ca
Deuteranopia
#00b7b6
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
2.62:1
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
8.00:1

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
##39ADCA
Display P3
Display P3
color(display-p3 0.3621 0.6692 0.7789)
P3 has subtle headroomOKLCH chroma 0.109

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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