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Hemmed Caspian

#316a42
Notes

Hemmed Caspian (#316A42) 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 (138°, 37%, 30%) 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
#316a42
RGB
rgb(49, 106, 66)
HSL
hsl(138, 37%, 30%)
HWB
hwb(138 19% 58%)
OKLCH
oklch(47.4% 0.088 151.4)
HSV
hsv(138, 54%, 42%)
LAB
lab(40.17% -28.58 16.90)
LCH
lch(40.17% 33.20 149.40)
CMYK
cmyk(54%, 0%, 38%, 58%)

Etymology

Hemmed
adjective

Old English hem, border — past-participle of hem. As a color modifier, hemmed implies a clear-and-finished-and-bordered quality where the hue carries the visual register of carefully-hemmed-and-finished textile-edge. Sits at the crisp-and-finished end of the grid, parallel to trim and finished in usage.

Caspian
noun

The world's largest inland body of water — between Iran, Russia, Kazakhstan, Turkmenistan, and Azerbaijan. Caspian color refers to mid-depth Caspian Sea water: a saturated, slightly cool deep blue-green with the optical complexity of slightly brackish water over silt-rich bottom.

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.

#316a42
Original
#6a623f
Protanopia
#625c44
Deuteranopia
#246860
Tritanopia
#5b5b5b
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
6.42:1
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
3.27:1

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