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Neat Yew

#155e21
Notes

Neat Yew (#155E21) 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 (130°, 63%, 23%) 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#155e21
RGB
rgb(21, 94, 33)
HSL
hsl(130, 63%, 23%)
HWB
hwb(130 8% 63%)
OKLCH
oklch(42.4% 0.117 145.6)
HSV
hsv(130, 78%, 37%)
LAB
lab(34.55% -35.85 28.16)
LCH
lch(34.55% 45.59 141.85)
CMYK
cmyk(78%, 0%, 65%, 63%)

Etymology

Neat
adjective

Old French net, clean / pure — sharing root with Latin nitidus. As a color modifier, neat implies a clear-and-orderly quality where the hue carries the well-arranged visual register without clutter or excess. Sits at the crisp-and-orderly end of the grid, parallel to trim and tidy in usage.

Yew
noun

Taxus baccata, the European yew — a long-lived conifer (some specimens over 2,000 years old) traditionally planted in English churchyards. The color refers to mature yew foliage: a deep, slightly muted very dark green with the matte finish of resin-coated needle foliage. Darker than juniper.

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

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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.

#155e21
Original
#60551a
Protanopia
#574f26
Deuteranopia
#005c51
Tritanopia
#4a4a4a
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
7.91:1
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
2.65:1

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