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Frayed Atoll

#425d53
Notes

Frayed Atoll (#425D53) is a deep teal with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (158°, 17%, 31%) places it in the muted band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#425d53
RGB
rgb(66, 93, 83)
HSL
hsl(158, 17%, 31%)
HWB
hwb(158 26% 64%)
OKLCH
oklch(45.3% 0.036 169.8)
P3
color(display-p3 0.2811 0.3618 0.3275)
HSV
hsv(158, 29%, 36%)
LAB
lab(37.14% -12.48 2.50)
LCH
lch(37.14% 12.73 168.65)
CMYK
cmyk(29%, 0%, 11%, 64%)

Etymology

Frayed
adjective

Old French froyer, to rub — past-participle of fray. As a color modifier, frayed implies a hushed-and-edge-worn-and-aged quality, the hushed color of multi-decade cuffed-and-collared heavily-worn dress-attire textile-edges. Sits at the hushed-and-worn end of the grid, parallel to threadbare and tattered in usage.

Atoll
noun

A ring-shaped coral reef enclosing a central lagoon — the geological signature of subsiding volcanic islands ringed by upward-growing coral. Atoll color refers to the unifying blue-green of a Maldivian-style atoll lagoon seen from above: a saturated, slightly cool deep blue-green with the optical clarity of shallow tropical water.

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.

#425d53
Original
#5b5953
Protanopia
#575654
Deuteranopia
#3c5d5a
Tritanopia
#575757
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).
AAAon White
7.19:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.92:1

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
##425D53
Display P3
Display P3
color(display-p3 0.2811 0.3618 0.3275)
Inside sRGBOKLCH chroma 0.036

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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