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Vibrant Türkis

#01b28b
Notes

Vibrant Türkis (#01B28B) 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 (167°, 99%, 35%) 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
#01b28b
RGB
rgb(1, 178, 139)
HSL
hsl(167, 99%, 35%)
HWB
hwb(167 0% 30%)
OKLCH
oklch(67.9% 0.135 169.9)
HSV
hsv(167, 99%, 70%)
LAB
lab(64.73% -47.68 9.28)
LCH
lch(64.73% 48.58 168.99)
CMYK
cmyk(99%, 0%, 22%, 30%)

Etymology

Vibrant
adjective

From the Latin vibrare, to shake — used as a color word since the seventeenth century for hues that read as alive and resonant. Vibrant orange, vibrant green: the implication is saturation combined with the optical impression of slight motion or energy. Sits at the bright-bucket center alongside vivid and lively.

Türkis
noun

The German word for turquoise — borrowed via medieval Italian turchese (Turkish stone). Used in German jewelry vocabulary for the saturated blue-green of Iranian and American Southwest turquoise. The color refers to a Sleeping Beauty türkis cabochon: a saturated, slightly cool deep blue-green. The Germanic cousin of 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.

#01b28b
Original
#ada589
Protanopia
#9a988e
Deuteranopia
#00b3a7
Tritanopia
#8a8a8a
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
2.71:1
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
7.74:1

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