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Straightforward Amazon

#1d5f27
Notes

Straightforward Amazon (#1D5F27) 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 (129°, 53%, 24%) 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
#1d5f27
RGB
rgb(29, 95, 39)
HSL
hsl(129, 53%, 24%)
HWB
hwb(129 11% 63%)
OKLCH
oklch(43.0% 0.110 145.9)
HSV
hsv(129, 69%, 37%)
LAB
lab(35.19% -33.72 25.80)
LCH
lch(35.19% 42.46 142.59)
CMYK
cmyk(69%, 0%, 59%, 63%)

Etymology

Straightforward
adjective

English compound straight + forward — sharing root with German geradeaus. As a color modifier, straightforward implies a clear-and-direct-and-unencumbered quality where the hue carries the visual register of clear-aim-and-uncomplicated character. Sits at the crisp-and-honest end of the grid, parallel to candid and direct in usage.

Amazon
noun

The largest river basin and rainforest on Earth — and the unifying deep green of Amazonian canopy seen from above. Amazon color refers to the average reflectance of an unbroken Amazon canopy: a saturated, slightly cool deep yellow-green with the matte finish of high-rainfall tropical foliage.

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.

#1d5f27
Original
#605622
Protanopia
#58512b
Deuteranopia
#0a5d52
Tritanopia
#4d4d4d
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
7.73:1
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
2.72:1

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