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Wholesome Spica Turquoise

#5bc9f4
Notes

Wholesome Spica Turquoise (#5BC9F4) 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 (197°, 87%, 66%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#5bc9f4
RGB
rgb(91, 201, 244)
HSL
hsl(197, 87%, 66%)
HWB
hwb(197 36% 4%)
OKLCH
oklch(78.9% 0.117 226.9)
P3
color(display-p3 0.4728 0.7786 0.9395)
HSV
hsv(197, 63%, 96%)
LAB
lab(76.39% -18.84 -30.56)
LCH
lch(76.39% 35.90 238.34)
CMYK
cmyk(63%, 18%, 0%, 4%)

Etymology

Wholesome
adjective

An adjectival form of whole — used as a color modifier since the sixteenth century for hues that read as healthy and unadulterated. Wholesome cream, wholesome wheat: moderate saturation combined with the optical impression of a natural origin. Sits at the crisp-bucket alongside genuine.

Spica
modifier

Latin spīca, ear-of-grain. As a color modifier, spica implies a Virgin-and-grain-ear-and-blue-white-star quality, the visual register of Virgo-constellation-and-spring-Spica hand-Virgin-and-grain-ear-and-blue-white-star Virgo-constellation-and-spring-and-Bortle-1-sky spica-and-Virgin-and-grain-ear-and-blue-white-star surfaces under Virgo-constellation-and-spring-and-Bortle-1-sky April-and-May-spring-southern-vista grain-bearing-stellar-light. Sits at the modifier-and-cosmic end of the grid, parallel to vega and altair 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.

#5bc9f4
Original
#b2c5f6
Protanopia
#9db6f3
Deuteranopia
#00d6d7
Tritanopia
#b5b5b5
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
1.89:1
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
11.11:1

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
##5BC9F4
Display P3
Display P3
color(display-p3 0.4728 0.7786 0.9395)
P3 has subtle headroomOKLCH chroma 0.117

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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