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Utilitarian Crystalline

#0fbbb7
Notes

Utilitarian Crystalline (#0FBBB7) 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 (179°, 85%, 40%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#0fbbb7
RGB
rgb(15, 187, 183)
HSL
hsl(179, 85%, 40%)
HWB
hwb(179 6% 27%)
OKLCH
oklch(71.7% 0.121 192.0)
P3
color(display-p3 0.3357 0.7224 0.7133)
HSV
hsv(179, 92%, 73%)
LAB
lab(68.79% -38.80 -9.06)
LCH
lch(68.79% 39.84 193.14)
CMYK
cmyk(92%, 0%, 2%, 27%)

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.

Crystalline
noun

Water of exceptional clarity — particularly the crystalline mountain springs of Alpine and Andean rivers. Crystalline color refers to a fresh-emerged spring water in a marble basin at Plitvice Lakes: a soft, slightly cool pale blue with the optical clarity of mineral-saturated water.

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.

#0fbbb7
Original
#afb1b7
Protanopia
#9aa1b8
Deuteranopia
#00c1b9
Tritanopia
#969696
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
2.38:1
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
8.81:1

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
##0FBBB7
Display P3
Display P3
color(display-p3 0.3357 0.7224 0.7133)
P3 has subtle headroomOKLCH chroma 0.121

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.

Related Colors

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