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Smoldering Sugarcane

#51a019
Notes

Smoldering Sugarcane (#51A019) is a true lime 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 (95°, 73%, 36%) 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#51a019
RGB
rgb(81, 160, 25)
HSL
hsl(95, 73%, 36%)
HWB
hwb(95 10% 37%)
OKLCH
oklch(63.1% 0.178 136.2)
P3
color(display-p3 0.3960 0.6202 0.2082)
HSV
hsv(95, 84%, 63%)
LAB
lab(58.94% -46.13 56.30)
LCH
lch(58.94% 72.79 129.33)
CMYK
cmyk(49%, 0%, 84%, 37%)

Etymology

Smoldering
adjective

The progressive participle of smolder, to burn slowly without flame. Used as a color word since the late nineteenth century for the deep reds and oranges of barely-flame coal — the warm saturated darks where the heat is internal rather than emitted. Sits in the bold-and-warm corner, slightly less luminous than burning and slightly less calm than rich.

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.

#51a019
Original
#a69200
Protanopia
#9c8b2a
Deuteranopia
#4d9a88
Tritanopia
#858585
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
3.29:1
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
6.39:1

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
##51A019
Display P3
Display P3
color(display-p3 0.3960 0.6202 0.2082)
P3 has subtle headroomOKLCH chroma 0.178

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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