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Lively Ergo Lime

#79a137
Notes

Lively Ergo Lime (#79A137) is a true lime 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 (83°, 49%, 42%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#79a137
RGB
rgb(121, 161, 55)
HSL
hsl(83, 49%, 42%)
HWB
hwb(83 22% 37%)
OKLCH
oklch(65.8% 0.141 127.6)
P3
color(display-p3 0.5070 0.6270 0.2803)
HSV
hsv(83, 66%, 63%)
LAB
lab(61.51% -30.29 49.01)
LCH
lch(61.51% 57.61 121.72)
CMYK
cmyk(25%, 0%, 66%, 37%)

Etymology

Lively
adjective

An adjectival form of life — used as a color word since the seventeenth century for hues that read as energetic. Lively coral, lively chartreuse: the implication is saturation combined with optical liveliness, the slight visual restlessness of a color that feels animated. Sits at the bright-bucket center.

Ergo
modifier

Latin ergo, therefore-or-thus. As a color modifier, ergo implies a Latin-logical-and-cogito-ergo-sum quality, the visual register of Cartesian-cogito-ergo-sum hand-Latin-logical-and-cogito-ergo-sum Cartesian-cogito-ergo-sum-and-Scholastic-syllogism ergo-and-Latin-logical-and-cogito-ergo-sum surfaces under Cartesian-cogito-ergo-sum-and-Scholastic-syllogism Sorbonne-Scholastic-and-Cartesian-meditation logical-deduction-light. Sits at the modifier-and-Latin end of the grid, parallel to ipse and opus in usage.

Lime
noun

Citrus aurantiifolia and its key-lime cousin — small, intensely sour green citrus carried by Arab traders from Southeast Asia to the Mediterranean by the eleventh century, then to the Caribbean with Columbus. The color refers to the skin of a fully ripe Persian lime: a saturated, slightly yellow-shifted green with the matte finish of citrus rind. Cooler than chartreuse, sharper than sage, with the same chlorophyll the fruit loses if left to ripen to yellow.

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.

#79a137
Original
#a99629
Protanopia
#a3943f
Deuteranopia
#7d9a8b
Tritanopia
#919191
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
3.01:1
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
6.97:1

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
##79A137
Display P3
Display P3
color(display-p3 0.5070 0.6270 0.2803)
P3 has subtle headroomOKLCH chroma 0.141

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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