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Tenacious Cane Forest

#018b27
Notes

Tenacious Cane Forest (#018B27) 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 (137°, 99%, 27%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#018b27
RGB
rgb(1, 139, 39)
HSL
hsl(137, 99%, 27%)
HWB
hwb(137 0% 45%)
OKLCH
oklch(55.4% 0.172 145.4)
P3
color(display-p3 0.2377 0.5367 0.2126)
HSV
hsv(137, 99%, 55%)
LAB
lab(50.24% -52.56 42.55)
LCH
lch(50.24% 67.63 141.01)
CMYK
cmyk(99%, 0%, 72%, 45%)

Etymology

Tenacious
adjective

Latin tenāx, holding-fast — adjectival suffix -ous. As a color modifier, tenacious implies a saturated-and-clinging quality where the hue grips its substrate with stubborn pigmentation. Sits at the bold-and-resilient end of the grid, parallel to unyielding and adamant in usage.

Cane
modifier

Old French canne, reed / cane. As a color modifier, cane implies a hand-cut-bamboo-or-rattan quality, the visual register of English-and-Edwardian-and-Asian-cane hand-cut-and-woven-cane bamboo-and-rattan-and-wicker hand-cut-cane-and-rattan surfaces under English-and-Edwardian-and-Asian hand-cut-cane-and-rattan furniture-and-craft light. Sits at the modifier-and-texture end of the grid, parallel to bark and hemp 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.

#018b27
Original
#8d7d18
Protanopia
#817431
Deuteranopia
#008777
Tritanopia
#666666
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
4.45:1
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
4.72:1

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
##018B27
Display P3
Display P3
color(display-p3 0.2377 0.5367 0.2126)
P3 has subtle headroomOKLCH chroma 0.172

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.

Related Colors

Canvas