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Frantic Median Turquoise

#12d1bf
Notes

Frantic Median Turquoise (#12D1BF) 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 (174°, 84%, 45%) 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
#12d1bf
RGB
rgb(18, 209, 191)
HSL
hsl(174, 84%, 45%)
HWB
hwb(174 7% 18%)
OKLCH
oklch(77.4% 0.135 183.9)
P3
color(display-p3 0.3783 0.8075 0.7488)
HSV
hsv(174, 91%, 82%)
LAB
lab(75.75% -46.03 -3.11)
LCH
lch(75.75% 46.14 183.86)
CMYK
cmyk(91%, 0%, 9%, 18%)

Etymology

Frantic
adjective

Greek phrenitikós, frenzied — adjectival suffix, sharing root with phrenitis (delirium). As a color modifier, frantic implies a saturated-and-rushed-and-overactive quality, the bright color of Memphis-Group 1980s-design over-the-top saturated visual-rhythm. Sits at the bright-and-active end of the grid, parallel to frenetic and manic in usage.

Median
modifier

Latin Medi, Medes. As a color modifier, median implies an ancient-Iranian-and-Median-Empire quality, the visual register of Median-Empire-of-Ecbatana pre-Achaemenid Iranian-Median highland-kingdom hand-built fortress-and-temple surfaces under Median-Empire-of-Ecbatana pre-Achaemenid Iranian-Highland fortress light. Sits at the modifier-and-cultural end of the grid, parallel to persia and achaemenid 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.

#12d1bf
Original
#c6c4be
Protanopia
#b0b4c1
Deuteranopia
#00d6cb
Tritanopia
#a7a7a7
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
1.93:1
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
10.90:1

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
##12D1BF
Display P3
Display P3
color(display-p3 0.3783 0.8075 0.7488)
P3 has subtle headroomOKLCH chroma 0.135

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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