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Refreshing Niche Turquoise

#1b8fab
Notes

Refreshing Niche Turquoise (#1B8FAB) 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 (192°, 73%, 39%) 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
#1b8fab
RGB
rgb(27, 143, 171)
HSL
hsl(192, 73%, 39%)
HWB
hwb(192 11% 33%)
OKLCH
oklch(60.3% 0.103 219.3)
P3
color(display-p3 0.2666 0.5525 0.6583)
HSV
hsv(192, 84%, 67%)
LAB
lab(54.88% -20.42 -23.37)
LCH
lch(54.88% 31.04 228.86)
CMYK
cmyk(84%, 16%, 0%, 33%)

Etymology

Refreshing
adjective

Old French refreschir, to make fresh again — present-participle of refresh. As a color modifier, refreshing implies a clear-and-cool-and-revitalizing quality, the crisp color of Cornish-coast and Hebridean-island fresh-sea-air-and-cool-water revitalization. Sits at the crisp-and-cool end of the grid, parallel to fresh and bracing in usage.

Niche
modifier

Italian nicchia, recess. As a color modifier, niche implies a wall-recess-for-statue-or-icon quality, the visual register of Roman-Catholic-and-Renaissance-niche hand-cut wall-recess-and-shell-shaped niche-for-statue-or-icon architectural surfaces under candle-and-niche-statue-and-icon devotional light. Sits at the modifier-and-architecture end of the grid, parallel to alcove and atrium in usage.

Turquoise
noun

The hydrated copper-aluminum phosphate mined in Persia and the American Southwest for thousands of years — the firuze of Iran, the chalchihuitl of Mesoamerica, the heart of Pueblo and Navajo silverwork. The color refers to a fine Sleeping Beauty turquoise from Arizona: a saturated, slightly green-shifted blue with the slight matrix of host-rock veining. Brighter than persian, lighter than cerulean.

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.

#1b8fab
Original
#7e8bac
Protanopia
#6b7eab
Deuteranopia
#009898
Tritanopia
#787878
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
3.77:1
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
5.56:1

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
##1B8FAB
Display P3
Display P3
color(display-p3 0.2666 0.5525 0.6583)
P3 has subtle headroomOKLCH chroma 0.103

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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