colors
Back to gallery

Tenacious Brine Forest

#39972c
Notes

Tenacious Brine Forest (#39972C) is a true green 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 (113°, 55%, 38%) places it in the balanced 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#39972c
RGB
rgb(57, 151, 44)
HSL
hsl(113, 55%, 38%)
HWB
hwb(113 17% 41%)
OKLCH
oklch(59.8% 0.168 141.4)
P3
color(display-p3 0.3293 0.5843 0.2376)
HSV
hsv(113, 71%, 59%)
LAB
lab(55.26% -48.18 46.08)
LCH
lch(55.26% 66.67 136.27)
CMYK
cmyk(62%, 0%, 71%, 41%)

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.

Brine
modifier

Old English brȳne, salt-water-or-pickle-brine. As a color modifier, brine implies a salt-water-and-pickle-and-tide-pool quality, the visual register of Atlantic-tide-pool-and-pickling-brine hand-salt-water-and-pickle-and-tide-pool Atlantic-tide-pool-and-pickling-brine-and-Cornish-rock-pool brine-and-salt-water-and-pickle surfaces under Atlantic-tide-pool-and-pickling-brine-and-Cornish-rock-pool Lizard-Point-and-North-Cornish-coast salt-tide-pool-light. Sits at the modifier-and-weather end of the grid, parallel to floe and torrent 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.

#39972c
Original
#9b891c
Protanopia
#8f8136
Deuteranopia
#2a9282
Tritanopia
#7b7b7b
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
3.73:1
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
5.64:1

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
##39972C
Display P3
Display P3
color(display-p3 0.3293 0.5843 0.2376)
P3 has subtle headroomOKLCH chroma 0.168

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