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Senatorial Sugarcane

#377d13
Notes

Senatorial Sugarcane (#377D13) 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 (100°, 74%, 28%) 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
#377d13
RGB
rgb(55, 125, 19)
HSL
hsl(100, 74%, 28%)
HWB
hwb(100 7% 51%)
OKLCH
oklch(52.4% 0.152 137.9)
P3
color(display-p3 0.2888 0.4840 0.1577)
HSV
hsv(100, 85%, 49%)
LAB
lab(46.35% -40.61 46.18)
LCH
lch(46.35% 61.50 131.33)
CMYK
cmyk(56%, 0%, 85%, 51%)

Etymology

Senatorial
adjective

Latin senātōrius, of the senator — adjectival suffix. As a color modifier, senatorial implies a saturated-and-aristocratic-and-Roman-Republic quality, the deep-rich color of Roman-Senate toga praetexta purple-bordered ceremonial-citizen-class livery. Sits at the bold-and-aristocratic end of the grid, parallel to patrician and imperial.

Sugarcane
noun

Saccharum officinarum, the tropical grass whose stems are pressed for the world's sugar — cultivated since prehistoric times in Papua New Guinea and now grown across the tropical belt. The color refers to fresh sugarcane stalks at harvest: a saturated, slightly cool yellow-green with the satin finish of segmented grass culm.

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.

#377d13
Original
#817100
Protanopia
#786c20
Deuteranopia
#31786a
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).
AAon White
5.12:1
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
4.11:1

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
##377D13
Display P3
Display P3
color(display-p3 0.2888 0.4840 0.1577)
P3 has subtle headroomOKLCH chroma 0.152

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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