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Forthright Iceland

#399d08
Notes

Forthright Iceland (#399D08) 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 (100°, 90%, 32%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#399d08
RGB
rgb(57, 157, 8)
HSL
hsl(100, 90%, 32%)
HWB
hwb(100 3% 38%)
OKLCH
oklch(61.3% 0.191 139.1)
HSV
hsv(100, 95%, 62%)
LAB
lab(57.08% -52.26 57.73)
LCH
lch(57.08% 77.88 132.15)
CMYK
cmyk(64%, 0%, 95%, 38%)

Etymology

Forthright
adjective

Old English forð-riht, straight ahead, direct. Used as a color modifier in Anglo-Saxon-revival contexts for hues that read as honest and unguarded. Forthright red, forthright blue: the saturation is full, the hue is presented without ornamentation or qualification. Sits in the bold-bucket center alongside frank and direct.

Iceland
noun

The North Atlantic island — and the saturated green of Icelandic mossy lava fields and the þúfur (hummocky) tussocks of Icelandic farmland. Iceland refers to an Icelandic moss-covered lava field: a saturated, slightly cool deep yellow-green with the slightly velvet matte finish of dense mossy undergrowth.

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.

#399d08
Original
#a28e00
Protanopia
#968622
Deuteranopia
#2c9785
Tritanopia
#7d7d7d
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).
AA Largeon White
3.50:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.00:1

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