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Ironed Altair Moss

#405d2e
Notes

Ironed Altair Moss (#405D2E) is a deep lime 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 (97°, 34%, 27%) 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#405d2e
RGB
rgb(64, 93, 46)
HSL
hsl(97, 34%, 27%)
HWB
hwb(97 18% 64%)
OKLCH
oklch(44.3% 0.080 134.6)
P3
color(display-p3 0.2753 0.3616 0.2018)
HSV
hsv(97, 51%, 36%)
LAB
lab(36.21% -20.33 23.52)
LCH
lch(36.21% 31.09 130.83)
CMYK
cmyk(31%, 0%, 51%, 64%)

Etymology

Ironed
adjective

Old English īsern, iron — past-participle of iron. As a color modifier, ironed implies a clear-and-smoothed-and-pressed quality, the crisp color of Mid-Century-Modern freshly-ironed-shirt-and-trouser dress-attire textile finish. Sits at the crisp-and-finished end of the grid, parallel to pressed and starched in usage.

Altair
modifier

Arabic al-nasr-al-tā'ir, the-flying-eagle. As a color modifier, altair implies a fast-spinning-and-summer-triangle quality, the visual register of Aquila-Eagle-and-Summer-Triangle-Altair hand-fast-spinning-and-summer-triangle Aquila-Eagle-and-Summer-Triangle-and-Bortle-1-sky altair-and-fast-spinning-and-summer-triangle surfaces under Aquila-Eagle-and-Summer-Triangle-and-Bortle-1-sky July-and-August-summer-vista white-stellar-light. Sits at the modifier-and-cosmic end of the grid, parallel to vega and deneb 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.

#405d2e
Original
#60572a
Protanopia
#5c5431
Deuteranopia
#405a52
Tritanopia
#535353
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
7.44:1
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
2.82:1

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
##405D2E
Display P3
Display P3
color(display-p3 0.2753 0.3616 0.2018)
Inside sRGBOKLCH chroma 0.080

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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