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Throbbing Bluestem

#27d8c0
Notes

Throbbing Bluestem (#27D8C0) 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%, 50%) 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
#27d8c0
RGB
rgb(39, 216, 192)
HSL
hsl(172, 69%, 50%)
HWB
hwb(172 15% 15%)
OKLCH
oklch(79.4% 0.137 180.6)
HSV
hsv(172, 82%, 85%)
LAB
lab(78.08% -47.46 -0.22)
LCH
lch(78.08% 47.46 180.26)
CMYK
cmyk(82%, 0%, 11%, 15%)

Etymology

Throbbing
adjective

Imitative-onomatopoeic origin — present-participle of throb, with sound-and-action mimicry. As a color modifier, throbbing implies a saturated-and-pulsing-and-resonant quality, the bright color of bass-drop-and-rave-light low-frequency rhythm-pulse emission. Sits at the bright-and-active end of the grid, parallel to pulsating and strobing in usage.

Bluestem
noun

The genera Andropogon and Schizachyrium — North American native prairie grasses whose stems shift from green to blue-purple in autumn. The color refers to S. scoparium (little bluestem) in midsummer: a soft, slightly cool blue-green-gray with the matte finish of upright prairie grass.

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.

#27d8c0
Original
#cecbbf
Protanopia
#b8bac2
Deuteranopia
#00dcd1
Tritanopia
#b1b1b1
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
11.67:1

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