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Peaceful Helm Teal

#28bca9
Notes

Peaceful Helm Teal (#28BCA9) 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°, 65%, 45%) 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
#28bca9
RGB
rgb(40, 188, 169)
HSL
hsl(172, 65%, 45%)
HWB
hwb(172 16% 26%)
OKLCH
oklch(71.7% 0.121 181.7)
HSV
hsv(172, 79%, 74%)
LAB
lab(68.95% -41.53 -1.10)
LCH
lch(68.95% 41.55 181.52)
CMYK
cmyk(79%, 0%, 10%, 26%)

Etymology

Peaceful
adjective

Latin pāx, peace — adjectival suffix -ful. As a color modifier, peaceful implies a clear-and-restful-and-calm quality where the hue carries the visual register of Quaker-meeting-house still-and-meditative interior atmosphere. Sits at the crisp-and-calm end of the grid, parallel to serene and placid in usage.

Helm
modifier

Old English helma, helm / steering. As a color modifier, helm implies a steering-wheel-and-tiller quality, the visual register of Royal-Navy-and-merchant-marine-helm hand-built steering-wheel-and-tiller polished-mahogany-and-brass nautical-helm-and-binnacle surfaces under polished-mahogany-and-brass-helm nautical-bridge light. Sits at the modifier-and-nautical end of the grid, parallel to tiller and bow in usage.

Teal
noun

Anas crecca, the small dabbling duck whose male in breeding plumage sports a chestnut head crossed by a glossy green-blue stripe. The color refers to that stripe — the iridescent panel just behind the eye: a saturated, slightly muted blue-green with the optical depth of structural color rather than pigment. Cooler than cypress, warmer than cerulean, with the ornithological specificity of a color named for one feather of one bird.

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.

#28bca9
Original
#b3b1a8
Protanopia
#a0a2ab
Deuteranopia
#00c0b6
Tritanopia
#9b9b9b
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
2.37:1
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
8.86:1

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