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Defined Avalon Verdigris

#29b5b4
Notes

Defined Avalon Verdigris (#29B5B4) 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 (180°, 63%, 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
#29b5b4
RGB
rgb(41, 181, 180)
HSL
hsl(180, 63%, 44%)
HWB
hwb(180 16% 29%)
OKLCH
oklch(70.4% 0.112 194.2)
P3
color(display-p3 0.3497 0.6996 0.7010)
HSV
hsv(180, 77%, 71%)
LAB
lab(67.14% -35.13 -9.85)
LCH
lch(67.14% 36.49 195.66)
CMYK
cmyk(77%, 0%, 1%, 29%)

Etymology

Defined
adjective

Latin dēfīnīre, to set bounds — past-participle of define. As a color modifier, defined implies a clear-and-edge-distinct-and-precise quality where the hue carries the visual register of sharp-bounded-and-clearly-delimited surface. Sits at the crisp-and-clear end of the grid, parallel to crisp and sharp in usage.

Avalon
modifier

Old Welsh Afallon, island-of-apples-Arthurian-otherworld. As a color modifier, avalon implies an Arthurian-otherworld-and-island-of-apples quality, the visual register of Arthurian-Avalon-and-Glastonbury-Tor hand-Arthurian-otherworld-and-island-of-apples Arthurian-Avalon-and-Glastonbury-Tor-and-Morgan-le-Fay avalon-and-Arthurian-otherworld surfaces under Arthurian-Avalon-and-Glastonbury-Tor-and-Morgan-le-Fay Glastonbury-Tor-and-Somerset-Levels misty-otherworld-light. Sits at the modifier-and-myth end of the grid, parallel to eden and helen 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.

#29b5b4
Original
#a9acb4
Protanopia
#959db5
Deuteranopia
#00bbb4
Tritanopia
#979797
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
2.51:1
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
8.36:1

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
##29B5B4
Display P3
Display P3
color(display-p3 0.3497 0.6996 0.7010)
P3 has subtle headroomOKLCH chroma 0.112

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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