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Sure Conure

#355c34
Notes

Sure Conure (#355C34) is a deep 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 (118°, 28%, 28%) places it in the muted 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
#355c34
RGB
rgb(53, 92, 52)
HSL
hsl(118, 28%, 28%)
HWB
hwb(118 20% 64%)
OKLCH
oklch(43.4% 0.078 143.6)
P3
color(display-p3 0.2434 0.3569 0.2198)
HSV
hsv(118, 43%, 36%)
LAB
lab(35.32% -23.06 18.78)
LCH
lch(35.32% 29.74 140.84)
CMYK
cmyk(42%, 0%, 43%, 64%)

Etymology

Sure
adjective

Old French seur, certain — used as a color modifier since the medieval period for hues that read as confident and stable. Sure red, sure blue: moderate saturation combined with optical commitment. Sits at the crisp-bucket center alongside steady and true.

Conure
noun

The genus Pyrrhura and related green parrots of the South American mainland — popular pet birds with predominantly green plumage. Conure color refers to the green back of a green-cheeked conure (P. molinae): a saturated, slightly cool deep green with the matte finish of carotenoid-and-structural feather color.

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.

#355c34
Original
#5e5531
Protanopia
#585236
Deuteranopia
#315a52
Tritanopia
#515151
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).
AAAon White
7.69:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.73:1

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
##355C34
Display P3
Display P3
color(display-p3 0.2434 0.3569 0.2198)
Inside sRGBOKLCH chroma 0.078

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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