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Disciplined Squire Turquoise

#39d6cb
Notes

Disciplined Squire Turquoise (#39D6CB) 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 (176°, 66%, 53%) 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
#39d6cb
RGB
rgb(57, 214, 203)
HSL
hsl(176, 66%, 53%)
HWB
hwb(176 22% 16%)
OKLCH
oklch(79.5% 0.126 187.9)
P3
color(display-p3 0.4276 0.8275 0.7937)
HSV
hsv(176, 73%, 84%)
LAB
lab(78.03% -41.86 -6.14)
LCH
lch(78.03% 42.31 188.35)
CMYK
cmyk(73%, 0%, 5%, 16%)

Etymology

Disciplined
adjective

Latin disciplīna, teaching / training — past-participle of discipline. As a color modifier, disciplined implies a clear-and-controlled-and-careful quality where the hue carries the visual register of careful-edited-and-restrained design-decision. Sits at the crisp-and-orderly end of the grid, parallel to methodical and orderly in usage.

Squire
modifier

Old French escuyer, shield-bearer. As a color modifier, squire implies a knight's-attendant-and-page-of-arms quality, the visual register of English-and-French-Squire hand-forged shield-and-stirrup-and-tabard knight's-attendant-and-page-of-arms surfaces under English-and-French-Squire hand-forged shield-and-stirrup ceremonial-court light. Sits at the modifier-and-cultural end of the grid, parallel to knight and page 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.

#39d6cb
Original
#cacacb
Protanopia
#b4bacc
Deuteranopia
#00dbd2
Tritanopia
#b4b4b4
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
1.80:1
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
11.65:1

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
##39D6CB
Display P3
Display P3
color(display-p3 0.4276 0.8275 0.7937)
P3 has subtle headroomOKLCH chroma 0.126

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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