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Forthright Caspian

#1a8b34
Notes

Forthright Caspian (#1A8B34) 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 (134°, 68%, 32%) 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
#1a8b34
RGB
rgb(26, 139, 52)
HSL
hsl(134, 68%, 32%)
HWB
hwb(134 10% 45%)
OKLCH
oklch(55.8% 0.158 146.4)
HSV
hsv(134, 81%, 55%)
LAB
lab(50.61% -48.89 37.24)
LCH
lch(50.61% 61.46 142.71)
CMYK
cmyk(81%, 0%, 63%, 45%)

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.

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.

#1a8b34
Original
#8d7e2b
Protanopia
#81753b
Deuteranopia
#008878
Tritanopia
#6d6d6d
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
4.39:1
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
4.79:1

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