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Refreshing Glare Turquoise

#05bbd0
Notes

Refreshing Glare Turquoise (#05BBD0) 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 (186°, 95%, 42%) 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
#05bbd0
RGB
rgb(5, 187, 208)
HSL
hsl(186, 95%, 42%)
HWB
hwb(186 2% 18%)
OKLCH
oklch(72.5% 0.125 209.0)
P3
color(display-p3 0.3309 0.7224 0.8038)
HSV
hsv(186, 98%, 82%)
LAB
lab(69.56% -31.35 -21.64)
LCH
lch(69.56% 38.09 214.61)
CMYK
cmyk(98%, 10%, 0%, 18%)

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.

Glare
modifier

Middle English glaren, to-shine-brightly. As a color modifier, glare implies a harsh-and-bright-and-overwhelming quality, the visual register of desert-noon-and-snow-field-glare hand-harsh-and-bright-and-overwhelming desert-noon-and-snow-field-and-salt-flat glared-and-harsh-and-bright-and-overwhelming surfaces under desert-noon-and-snow-field-and-salt-flat overhead-sun-and-snow-blind-and-bleached harsh-noon-light. Sits at the modifier-and-mood end of the grid, parallel to flash and blaze 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.

#05bbd0
Original
#a8b3d1
Protanopia
#91a3d0
Deuteranopia
#00c5c1
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
2.33:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
9.03:1

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
##05BBD0
Display P3
Display P3
color(display-p3 0.3309 0.7224 0.8038)
P3 has subtle headroomOKLCH chroma 0.125

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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