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Sovereign Mojito

#5b8b21
Notes

Sovereign Mojito (#5B8B21) is a deep lime 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 (87°, 62%, 34%) 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#5b8b21
RGB
rgb(91, 139, 33)
HSL
hsl(87, 62%, 34%)
HWB
hwb(87 13% 45%)
OKLCH
oklch(58.1% 0.143 131.2)
HSV
hsv(87, 76%, 55%)
LAB
lab(52.73% -33.31 48.22)
LCH
lch(52.73% 58.60 124.64)
CMYK
cmyk(35%, 0%, 76%, 45%)

Etymology

Sovereign
adjective

Old French soverain, supreme — derived from Latin super (above). As a color modifier, sovereign implies a saturated-and-royal-supremacy quality where the hue carries imperial-ruling-class register. Sits at the bold-and-imperial end of the grid, parallel to regal and imperial in tone.

Mojito
noun

The Cuban cocktail of rum, lime, mint, sugar, and soda — popularized by Hemingway in Old Man and the Sea settings. Mojito color refers to a fresh-shaken mojito with crushed mint: a soft, slightly cool yellow-green with the optical clarity of muddled-herb-and-spirits.

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.

#5b8b21
Original
#91800a
Protanopia
#8b7d2b
Deuteranopia
#5d8577
Tritanopia
#797979
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
4.07:1
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
5.16:1

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