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Utilitarian Patina

#1f9f7d
Notes

Utilitarian Patina (#1F9F7D) is a true teal with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (164°, 67%, 37%) 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
#1f9f7d
RGB
rgb(31, 159, 125)
HSL
hsl(164, 67%, 37%)
HWB
hwb(164 12% 38%)
OKLCH
oklch(62.8% 0.118 169.6)
P3
color(display-p3 0.2992 0.6144 0.4979)
HSV
hsv(164, 81%, 62%)
LAB
lab(58.57% -41.59 8.35)
LCH
lch(58.57% 42.42 168.65)
CMYK
cmyk(81%, 0%, 21%, 38%)

Etymology

Utilitarian
adjective

Latin ūtilitās, usefulness — adjectival suffix -ian. As a color modifier, utilitarian implies a clear-and-purpose-fit-and-stripped-down quality, the crisp color of Shaker-and-Quaker anti-ornamental functional-and-no-frills craft tradition. Sits at the crisp-and-functional end of the grid, parallel to functional and workmanlike in usage.

Patina
noun

The thin corrosion layer that develops on copper, bronze, and other metals over time — sometimes copper carbonate (verdigris), sometimes copper sulfate, depending on environment. The color refers to mature exposed-bronze patina on a public statue: a soft, slightly muted blue-green with the powdery finish of mineral oxide. Drabber than verdigris, cooler than celadon, with the slow-time weight of a surface that records its age.

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.

#1f9f7d
Original
#9a947b
Protanopia
#8b887f
Deuteranopia
#00a095
Tritanopia
#818181
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).
AA Largeon White
3.33:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.31:1

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
##1F9F7D
Display P3
Display P3
color(display-p3 0.2992 0.6144 0.4979)
P3 has subtle headroomOKLCH chroma 0.118

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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