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Withheld Atoll

#597f79
Notes

Withheld Atoll (#597F79) is a true 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 (171°, 18%, 42%) places it in the muted 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
#597f79
RGB
rgb(89, 127, 121)
HSL
hsl(171, 18%, 42%)
HWB
hwb(171 35% 50%)
OKLCH
oklch(56.6% 0.044 183.9)
P3
color(display-p3 0.3809 0.4940 0.4745)
HSV
hsv(171, 30%, 50%)
LAB
lab(50.31% -14.68 -1.02)
LCH
lch(50.31% 14.72 183.99)
CMYK
cmyk(30%, 0%, 5%, 50%)

Etymology

Withheld
adjective

Old English with-haldan, to hold-back — past-participle of withhold. As a color modifier, withheld implies a hushed-and-pulled-back-and-not-fully-given quality where the hue carries the visual register of intentionally-restricted-and-reserved color-presentation. Sits at the hushed-and-restrained end of the grid, parallel to restrained and modulated 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.

#597f79
Original
#7b7b79
Protanopia
#74767a
Deuteranopia
#4d817d
Tritanopia
#767676
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).
AA Largeon White
4.43:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
4.74:1

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
##597F79
Display P3
Display P3
color(display-p3 0.3809 0.4940 0.4745)
Inside sRGBOKLCH chroma 0.044

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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