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Salubrious Twill Moss

#175d4a
Notes

Salubrious Twill Moss (#175D4A) is a deep teal with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (164°, 60%, 23%) places it in the balanced 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#175d4a
RGB
rgb(23, 93, 74)
HSL
hsl(164, 60%, 23%)
HWB
hwb(164 9% 64%)
OKLCH
oklch(43.0% 0.075 170.6)
P3
color(display-p3 0.1773 0.3593 0.2942)
HSV
hsv(164, 75%, 36%)
LAB
lab(35.01% -26.45 4.79)
LCH
lch(35.01% 26.88 169.74)
CMYK
cmyk(75%, 0%, 20%, 64%)

Etymology

Salubrious
adjective

Latin salūbris, healthful — adjectival suffix -ous. As a color modifier, salubrious implies a clear-and-healthful-and-fresh quality, the crisp color of Alpine-and-Sea-air health-resort and Mediterranean-coast spa-and-thalassotherapy outdoor environment. Sits at the crisp-and-wholesome end of the grid, parallel to healthful and bracing in usage.

Twill
modifier

Old English twili, twill-weave. As a color modifier, twill implies a diagonal-weave-textile quality, the visual register of Harris-Tweed-and-Italian-gabardine-twill hand-woven-and-diagonal-twill wool-and-cotton-and-silk Harris-Tweed-and-Italian-gabardine-twill-textile surfaces under Harris-Tweed-and-Italian-gabardine hand-woven-twill workshop-light. Sits at the modifier-and-texture end of the grid, parallel to woven and quilt in usage.

Moss
noun

Bryophyta — the nonvascular plants that colonized land 470 million years ago, before vascular plants and far before flowers. The color refers to a thick mat of Hypnum or sphagnum on a temperate forest floor: a soft, slightly yellow-shifted green with the velvet texture of millimeter-scale leaves. Dustier than fern, deeper than lichen, with the slow patience of a plant that lives by absorbing rain through its surface.

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.

#175d4a
Original
#5a5649
Protanopia
#51504b
Deuteranopia
#005e58
Tritanopia
#4d4d4d
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
7.77:1
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
2.70:1

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
##175D4A
Display P3
Display P3
color(display-p3 0.1773 0.3593 0.2942)
Inside sRGBOKLCH chroma 0.075

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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