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Sovereign Knell Forest

#1a7e15
Notes

Sovereign Knell Forest (#1A7E15) 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 (117°, 71%, 29%) 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
#1a7e15
RGB
rgb(26, 126, 21)
HSL
hsl(117, 71%, 29%)
HWB
hwb(117 8% 51%)
OKLCH
oklch(51.8% 0.163 142.3)
P3
color(display-p3 0.2362 0.4868 0.1605)
HSV
hsv(117, 83%, 49%)
LAB
lab(45.90% -47.49 44.88)
LCH
lch(45.90% 65.34 136.62)
CMYK
cmyk(79%, 0%, 83%, 51%)

Etymology

Sovereign
adjective

Old French soverain, supreme — derived from Latin super (above). As a color modifier, sovereign implies a saturated-and-royal-supremacy quality where the hue carries imperial-ruling-class register. Sits at the bold-and-imperial end of the grid, parallel to regal and imperial in tone.

Knell
modifier

Old English cnyll, funeral-bell. As a color modifier, knell implies a funeral-and-passing-bell quality, the visual register of English-funeral-and-passing-bell slow-and-tolling-funeral mourning-bell-and-bell-tower-tolling slow-and-mourning surfaces under slow-tolling-funeral-bell mourning candlelight. Sits at the modifier-and-time end of the grid, parallel to bell and vesper 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.

#1a7e15
Original
#817100
Protanopia
#766a22
Deuteranopia
#007a6b
Tritanopia
#616161
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).
AAon White
5.20:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.04:1

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
##1A7E15
Display P3
Display P3
color(display-p3 0.2362 0.4868 0.1605)
P3 has subtle headroomOKLCH chroma 0.163

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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