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Frantic Caspian

#16c888
Notes

Frantic Caspian (#16C888) 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 (158°, 80%, 44%) 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#16c888
RGB
rgb(22, 200, 136)
HSL
hsl(158, 80%, 44%)
HWB
hwb(158 9% 22%)
OKLCH
oklch(73.7% 0.161 161.0)
HSV
hsv(158, 89%, 78%)
LAB
lab(71.73% -55.96 20.68)
LCH
lch(71.73% 59.66 159.72)
CMYK
cmyk(89%, 0%, 32%, 22%)

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.

Caspian
noun

The world's largest inland body of water — between Iran, Russia, Kazakhstan, Turkmenistan, and Azerbaijan. Caspian color refers to mid-depth Caspian Sea water: a saturated, slightly cool deep blue-green with the optical complexity of slightly brackish water over silt-rich bottom.

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

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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.

#16c888
Original
#c5b884
Protanopia
#b2aa8c
Deuteranopia
#00c7b7
Tritanopia
#9e9e9e
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
2.18:1
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
9.65:1

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