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Sure Wakana

#256f28
Notes

Sure Wakana (#256F28) 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 (122°, 50%, 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
#256f28
RGB
rgb(37, 111, 40)
HSL
hsl(122, 50%, 29%)
HWB
hwb(122 15% 56%)
OKLCH
oklch(47.9% 0.128 143.9)
P3
color(display-p3 0.2306 0.4293 0.1936)
HSV
hsv(122, 67%, 44%)
LAB
lab(41.08% -38.16 32.22)
LCH
lch(41.08% 49.95 139.82)
CMYK
cmyk(67%, 0%, 64%, 56%)

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.

Wakana
noun

Japanese for young greens — the soft yellow-green of early-spring foraged plants used in the nanakusa-no-sekku (seven-herb festival) on January 7. The color refers to a fresh wakana sprig in a winter Kyoto garden: a soft, slightly muted yellow-green with the matte finish of small early-season leaves.

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.

#256f28
Original
#716520
Protanopia
#685e2e
Deuteranopia
#146c60
Tritanopia
#5a5a5a
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
6.21:1
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
3.38:1

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
##256F28
Display P3
Display P3
color(display-p3 0.2306 0.4293 0.1936)
P3 has subtle headroomOKLCH chroma 0.128

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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