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Modest Rune Lagoon

#4cbbd7
Notes

Modest Rune Lagoon (#4CBBD7) 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°, 63%, 57%) 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
#4cbbd7
RGB
rgb(76, 187, 215)
HSL
hsl(192, 63%, 57%)
HWB
hwb(192 30% 16%)
OKLCH
oklch(74.0% 0.107 217.5)
P3
color(display-p3 0.4205 0.7239 0.8300)
HSV
hsv(192, 65%, 84%)
LAB
lab(70.86% -22.92 -23.38)
LCH
lch(70.86% 32.75 225.57)
CMYK
cmyk(65%, 13%, 0%, 16%)

Etymology

Modest
adjective

Latin modestus, moderate — used as a color modifier since the sixteenth century for hues that read as understated and unwilling to claim more visual space than they need. Modest taupe, modest beige: moderate-to-low saturation combined with optical restraint. Sits at the crisp-and-quiet edge of the grid alongside quiet and plain.

Rune
modifier

Old Norse rún, secret-or-runic-letter. As a color modifier, rune implies a Norse-runic-letter-and-Futhark-and-incised-stone quality, the visual register of Elder-Futhark-and-Norse-runic-stone hand-Norse-runic-letter-and-Futhark-and-incised-stone Elder-Futhark-and-Norse-runic-stone-and-Viking-grave-marker rune-and-Norse-runic-letter-and-Futhark surfaces under Elder-Futhark-and-Norse-runic-stone-and-Viking-grave-marker Jelling-stone-and-Rök-runestone runic-incision-light. Sits at the modifier-and-myth end of the grid, parallel to omen and sigil 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.

#4cbbd7
Original
#a9b6d9
Protanopia
#95a7d7
Deuteranopia
#00c5c4
Tritanopia
#a5a5a5
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
2.23:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
9.40:1

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
##4CBBD7
Display P3
Display P3
color(display-p3 0.4205 0.7239 0.8300)
P3 has subtle headroomOKLCH chroma 0.107

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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