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Occluded Nokchaek

#1c3d1c
Notes

Occluded Nokchaek (#1C3D1C) 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 (120°, 37%, 17%) 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
#1c3d1c
RGB
rgb(28, 61, 28)
HSL
hsl(120, 37%, 17%)
HWB
hwb(120 11% 76%)
OKLCH
oklch(32.5% 0.069 143.8)
P3
color(display-p3 0.1421 0.2361 0.1240)
HSV
hsv(120, 54%, 24%)
LAB
lab(22.54% -20.32 16.64)
LCH
lch(22.54% 26.26 140.69)
CMYK
cmyk(54%, 0%, 54%, 76%)

Etymology

Occluded
adjective

Latin occludere, to close up — past-participle of occlude. As a color modifier, occluded implies a hue blocked-and-dimmed by an intervening physical barrier. Sits at the deep-and-obscured end of the grid, parallel to eclipsed and cloaked but more clinical in register.

Nokchaek
noun

The Korean word for green — used in the nokcha (green tea) tradition of Korean Buddhist monastery culture and the deep green of Korean ondol heated-floor textile dyes. The color refers to fresh-brewed Korean nokcha: a saturated, slightly cool deep green with the optical clarity of unfermented tea liquor.

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.

#1c3d1c
Original
#3e3819
Protanopia
#3a351e
Deuteranopia
#183b35
Tritanopia
#343434
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
12.11:1
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
1.73:1

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
##1C3D1C
Display P3
Display P3
color(display-p3 0.1421 0.2361 0.1240)
Inside sRGBOKLCH chroma 0.069

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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