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Manic Axis Turquoise

#39dac4
Notes

Manic Axis Turquoise (#39DAC4) is a true teal with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (172°, 69%, 54%) 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
#39dac4
RGB
rgb(57, 218, 196)
HSL
hsl(172, 69%, 54%)
HWB
hwb(172 22% 15%)
OKLCH
oklch(80.3% 0.132 181.4)
P3
color(display-p3 0.4342 0.8429 0.7699)
HSV
hsv(172, 74%, 85%)
LAB
lab(79.04% -45.49 -0.92)
LCH
lch(79.04% 45.50 181.16)
CMYK
cmyk(74%, 0%, 10%, 15%)

Etymology

Manic
adjective

Greek manikós, raving / mad — sharing root with mania. As a color modifier, manic implies a saturated-and-overstimulated-and-extreme quality, the bright color of Andy-Warhol-and-Pop-Art late-Pop-Art repeated-and-multiplied portrait color schemes. Sits at the bright-and-active end of the grid, parallel to hyper and frenetic in usage.

Axis
modifier

Latin axis, axle-or-pivot. As a color modifier, axis implies a rotational-pole-and-polar-spin quality, the visual register of Earth-axial-tilt-and-Polaris-axis hand-rotational-pole-and-polar-spin Earth-axial-tilt-and-Polaris-and-celestial-pole axis-and-rotational-pole-and-polar-spin surfaces under Earth-axial-tilt-and-Polaris-and-celestial-pole 23.5-degree-and-precession-and-celestial-mechanics polar-pivot-light. Sits at the modifier-and-cosmic end of the grid, parallel to orbit and zenith 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.

#39dac4
Original
#d0cdc3
Protanopia
#babdc6
Deuteranopia
#00ded3
Tritanopia
#b6b6b6
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
1.75:1
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
12.00:1

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
##39DAC4
Display P3
Display P3
color(display-p3 0.4342 0.8429 0.7699)
P3 has subtle headroomOKLCH chroma 0.132

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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