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Quiet Roller

#0bb4aa
Notes

Quiet Roller (#0BB4AA) is a true cyan 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 (176°, 88%, 37%) 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
#0bb4aa
RGB
rgb(11, 180, 170)
HSL
hsl(176, 88%, 37%)
HWB
hwb(176 4% 29%)
OKLCH
oklch(69.4% 0.120 187.7)
P3
color(display-p3 0.3205 0.6953 0.6645)
HSV
hsv(176, 94%, 71%)
LAB
lab(66.22% -39.65 -5.70)
LCH
lch(66.22% 40.06 188.18)
CMYK
cmyk(94%, 0%, 6%, 29%)

Etymology

Quiet
adjective

Latin quietus, at rest — used as a color modifier since the medieval period for hues that read as restrained. Quiet pink, quiet blue: low saturation combined with optical calmness. Sits across the crisp and hushed buckets where the color is present but doesn't ask for attention.

Roller
noun

The family Coraciidae — Old World rollers whose acrobatic flight gives the family its name. Coracias caudatus (lilac-breasted roller) of southern Africa displays saturated turquoise wing covers. The color refers to a male lilac-breasted roller's wing: a saturated, slightly cool deep turquoise.

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.

#0bb4aa
Original
#a9a9aa
Protanopia
#959bab
Deuteranopia
#00b9b1
Tritanopia
#8f8f8f
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
2.59:1
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
8.12:1

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
##0BB4AA
Display P3
Display P3
color(display-p3 0.3205 0.6953 0.6645)
P3 has subtle headroomOKLCH chroma 0.120

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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