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Placid Odin Verdigris

#1fb2b3
Notes

Placid Odin Verdigris (#1FB2B3) is a true cyan with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (180°, 70%, 41%) 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
#1fb2b3
RGB
rgb(31, 178, 179)
HSL
hsl(180, 70%, 41%)
HWB
hwb(180 12% 30%)
OKLCH
oklch(69.4% 0.113 195.6)
P3
color(display-p3 0.3324 0.6878 0.6964)
HSV
hsv(180, 83%, 70%)
LAB
lab(66.05% -34.93 -10.94)
LCH
lch(66.05% 36.60 197.39)
CMYK
cmyk(83%, 1%, 0%, 30%)

Etymology

Placid
adjective

Latin placidus, gentle / quiet — derived from placēre (to please). As a color modifier, placid implies a clear-and-unruffled quality where the hue carries the visual register of mirror-smooth lake-surface in windless mid-morning. Sits at the crisp-and-calm end of the grid, parallel to serene and peaceful in usage.

Odin
modifier

Old Norse Óðinn, all-father-of-the-Aesir. As a color modifier, odin implies a one-eyed-and-raven-and-runic-wisdom quality, the visual register of Norse-all-father-Odin-and-Yggdrasil hand-one-eyed-and-raven-and-runic-wisdom Norse-all-father-Odin-and-Yggdrasil-and-Asgard odin-and-one-eyed-and-raven-and-runic-wisdom surfaces under Norse-all-father-Odin-and-Yggdrasil-and-Asgard Hugin-and-Munin-raven-and-Mimir-well runic-wisdom-light. Sits at the modifier-and-myth end of the grid, parallel to thor and freya 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.

#1fb2b3
Original
#a5a9b3
Protanopia
#929ab4
Deuteranopia
#00b8b2
Tritanopia
#939393
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
2.60:1
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
8.08:1

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
##1FB2B3
Display P3
Display P3
color(display-p3 0.3324 0.6878 0.6964)
P3 has subtle headroomOKLCH chroma 0.113

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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