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Functional Olmec Verdigris

#31bdbd
Notes

Functional Olmec Verdigris (#31BDBD) 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°, 59%, 47%) 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
#31bdbd
RGB
rgb(49, 189, 189)
HSL
hsl(180, 59%, 47%)
HWB
hwb(180 19% 26%)
OKLCH
oklch(72.8% 0.114 194.9)
P3
color(display-p3 0.3744 0.7307 0.7358)
HSV
hsv(180, 74%, 74%)
LAB
lab(69.98% -35.37 -10.54)
LCH
lch(69.98% 36.91 196.60)
CMYK
cmyk(74%, 0%, 0%, 26%)

Etymology

Functional
adjective

Latin fūnctiō, performance — adjectival suffix -al. As a color modifier, functional implies a clear-and-purpose-fit-and-utilitarian quality, the crisp color of Mid-Century-Modern and Bauhaus form-follows-function design-aesthetic. Sits at the crisp-and-functional end of the grid, parallel to practical and utilitarian in usage.

Olmec
modifier

Nahuatl Ōlmēcatl, rubber-people. As a color modifier, olmec implies a pre-Classic-Mesoamerican quality, the visual register of Olmec-civilization-of-La-Venta pre-Classic Mesoamerican hand-carved colossal-head-and-jade-and-pottery archaeological surfaces under La-Venta-and-San-Lorenzo pre-Classic Mesoamerican Gulf-coastal humid light. Sits at the modifier-and-cultural end of the grid, parallel to aztec and toltec 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.

#31bdbd
Original
#b0b4bd
Protanopia
#9ca5be
Deuteranopia
#00c3bd
Tritanopia
#9f9f9f
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
2.30:1
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
9.14:1

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
##31BDBD
Display P3
Display P3
color(display-p3 0.3744 0.7307 0.7358)
P3 has subtle headroomOKLCH chroma 0.114

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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