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Serene Awe Verdigris

#28aeb2
Notes

Serene Awe Verdigris (#28AEB2) 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 (182°, 63%, 43%) 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
#28aeb2
RGB
rgb(40, 174, 178)
HSL
hsl(182, 63%, 43%)
HWB
hwb(182 16% 30%)
OKLCH
oklch(68.5% 0.108 198.0)
P3
color(display-p3 0.3364 0.6726 0.6918)
HSV
hsv(182, 78%, 70%)
LAB
lab(64.91% -32.53 -12.07)
LCH
lch(64.91% 34.70 200.36)
CMYK
cmyk(78%, 2%, 0%, 30%)

Etymology

Serene
adjective

Latin serēnus, clear / unclouded. As a color modifier, serene implies a clear-and-untroubled quality where the hue carries the visual register of cloudless-bright-day atmospheric stability. Sits at the crisp-and-calm end of the grid, parallel to placid and untroubled in usage.

Awe
modifier

Old Norse agi, fright-and-reverence. As a color modifier, awe implies a reverent-and-overwhelmed-and-hushed quality, the visual register of Burkean-sublime-and-Caspar-David-Friedrich-awe hand-reverent-and-overwhelmed-and-hushed Burkean-sublime-and-Caspar-David-Friedrich-and-Romantic-vista awed-and-reverent-and-overwhelmed-and-hushed surfaces under Burkean-sublime-and-Caspar-David-Friedrich-and-Romantic-vista alpine-and-storm-cloud-and-mountain-pass cathedral-of-nature-light. Sits at the modifier-and-mood end of the grid, parallel to bliss and grace in usage.

Verdigris
noun

The basic copper carbonate that forms on weathered copper and bronze — the pigment scraped from oxidized metal and used in Renaissance painting before being supplanted by more stable greens. The color refers to a thick verdigris on aged copper roofing or the Statue of Liberty's surface: a soft, slightly muted blue-green with the powdery finish of mineral oxide. Cooler than patina, warmer than seafoam, with the archaeological weight of a mineral made by time.

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.

#28aeb2
Original
#a1a6b2
Protanopia
#8e97b3
Deuteranopia
#00b4af
Tritanopia
#929292
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
2.70:1
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
7.79:1

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
##28AEB2
Display P3
Display P3
color(display-p3 0.3364 0.6726 0.6918)
P3 has subtle headroomOKLCH chroma 0.108

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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