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Peaceful Scud Kingfisher

#55debc
Notes

Peaceful Scud Kingfisher (#55DEBC) 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 (165°, 67%, 60%) 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
#55debc
RGB
rgb(85, 222, 188)
HSL
hsl(165, 67%, 60%)
HWB
hwb(165 33% 13%)
OKLCH
oklch(81.7% 0.129 173.6)
P3
color(display-p3 0.4894 0.8593 0.7434)
HSV
hsv(165, 62%, 87%)
LAB
lab(80.63% -45.14 5.72)
LCH
lch(80.63% 45.50 172.78)
CMYK
cmyk(62%, 0%, 15%, 13%)

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.

Scud
modifier

Origin obscure, low-fast-driven-cloud. As a color modifier, scud implies a low-fast-driven-cloud-and-storm-front quality, the visual register of North-Sea-and-Cornish-coast-scud hand-low-fast-driven-cloud-and-storm-front North-Sea-and-Cornish-coast-scud-and-Atlantic-front-cloud scud-and-low-fast-driven-cloud surfaces under North-Sea-and-Cornish-coast-scud-and-Atlantic-front-cloud Lizard-Point-and-Outer-Hebrides storm-front-cloud-light. Sits at the modifier-and-weather end of the grid, parallel to gust and mistral in usage.

Kingfisher
noun

The family Alcedinidae — particularly Alcedo atthis, the European common kingfisher whose iridescent turquoise-blue plumage gives the color its name. The color refers to a male European kingfisher's wing: a saturated, slightly cool deep blue-green with the iridescent satin finish of structurally colored feathers.

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.

#55debc
Original
#d7d1ba
Protanopia
#c3c2be
Deuteranopia
#00e0d4
Tritanopia
#bebebe
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
1.67:1
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
12.56:1

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
##55DEBC
Display P3
Display P3
color(display-p3 0.4894 0.8593 0.7434)
P3 has subtle headroomOKLCH chroma 0.129

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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