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Welcoming Mar

#3999a5
Notes

Welcoming Mar (#3999A5) is a true cyan with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (187°, 49%, 44%) 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
#3999a5
RGB
rgb(57, 153, 165)
HSL
hsl(187, 49%, 44%)
HWB
hwb(187 22% 35%)
OKLCH
oklch(63.2% 0.090 206.8)
P3
color(display-p3 0.3322 0.5920 0.6393)
HSV
hsv(187, 65%, 65%)
LAB
lab(58.38% -23.88 -14.55)
LCH
lch(58.38% 27.97 211.35)
CMYK
cmyk(65%, 7%, 0%, 35%)

Etymology

Welcoming
adjective

Old English wel-cuman, well-coming — present-participle of welcome. As a color modifier, welcoming implies a clear-and-inviting-and-warm quality where the hue carries the visual register of cordial-and-hospitable color-tone. Sits at the crisp-and-cheerful end of the grid, parallel to hospitable and inviting in usage.

Mar
noun

The Catalan and Spanish word for sea — used in Mar Menor (Spanish), Mar de la Tranquilidad, and the saturated blue-green of Iberian Mediterranean coast. The color refers to the Mar Cantábrico off northern Spain at sunset: a saturated, slightly cool deep blue-green with the optical depth of cold Atlantic water.

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.

#3999a5
Original
#8d93a6
Protanopia
#7d87a5
Deuteranopia
#009f9c
Tritanopia
#858585
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
3.35:1
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
6.27:1

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
##3999A5
Display P3
Display P3
color(display-p3 0.3322 0.5920 0.6393)
P3 has subtle headroomOKLCH chroma 0.090

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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