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Punchy Altair Forest

#298d1b
Notes

Punchy Altair Forest (#298D1B) is a deep green 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 (113°, 68%, 33%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#298d1b
RGB
rgb(41, 141, 27)
HSL
hsl(113, 68%, 33%)
HWB
hwb(113 11% 45%)
OKLCH
oklch(56.5% 0.173 141.5)
P3
color(display-p3 0.2839 0.5452 0.1885)
HSV
hsv(113, 81%, 55%)
LAB
lab(51.38% -49.49 48.28)
LCH
lch(51.38% 69.14 135.71)
CMYK
cmyk(71%, 0%, 81%, 45%)

Etymology

Punchy
adjective

A modern adjectival form of punch, to strike sharply. Used as a color word since the early twentieth century for hues that read as highly contrasting and visually loud. Punchy red, punchy yellow: the implication is full saturation combined with optical impact. Sits across the bold and bright buckets, near vivid and striking.

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.

Forest
noun

The dense canopy of a temperate or tropical woodland — oak, beech, pine, eucalyptus, mahogany — wherever leaves close above to filter the light below. Forest green refers to the average reflectance of a healthy mid-summer canopy seen from below: a saturated, slightly muted green with the matte finish of layered chlorophyll. Deeper than fern, cooler than olive, with the ecological weight of a word that has named every wooded biome on Earth.

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.

#298d1b
Original
#917f00
Protanopia
#857729
Deuteranopia
#118878
Tritanopia
#707070
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
4.27:1
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
4.92:1

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
##298D1B
Display P3
Display P3
color(display-p3 0.2839 0.5452 0.1885)
P3 has subtle headroomOKLCH chroma 0.173

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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