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Electrifying Omen Chartreuse

#89bb2b
Notes

Electrifying Omen Chartreuse (#89BB2B) is a true lime with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (81°, 63%, 45%) 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
#89bb2b
RGB
rgb(137, 187, 43)
HSL
hsl(81, 63%, 45%)
HWB
hwb(81 17% 27%)
OKLCH
oklch(73.1% 0.174 127.5)
P3
color(display-p3 0.5784 0.7279 0.2767)
HSV
hsv(81, 77%, 73%)
LAB
lab(70.20% -36.80 62.47)
LCH
lch(70.20% 72.50 120.50)
CMYK
cmyk(27%, 0%, 77%, 27%)

Etymology

Electrifying
adjective

Greek ēléktron, amber — present-participle of electrify, named after the static-electricity property of rubbed amber. As a color modifier, electrifying implies a saturated-and-shocking-and-active quality, the bright color of Tesla-coil high-voltage atmospheric-discharge emission. Sits at the bright-and-active end of the grid, parallel to charged and neon in usage.

Omen
modifier

Latin omen, prophetic-sign-or-portent. As a color modifier, omen implies a prophetic-sign-and-augur-and-portent quality, the visual register of Roman-augur-omen-and-Etruscan-haruspex hand-prophetic-sign-and-augur-and-portent Roman-augur-omen-and-Etruscan-haruspex-and-bird-flight omen-and-prophetic-sign-and-augur surfaces under Roman-augur-omen-and-Etruscan-haruspex-and-bird-flight Capitoline-Hill-and-Etruscan-templum prophetic-sign-light. Sits at the modifier-and-myth end of the grid, parallel to sigil and rune in usage.

Chartreuse
noun

The yellow-green French liqueur made by Carthusian monks at the Grande Chartreuse monastery since 1737, from a recipe of 130 herbs known to only two living monks at any time. The color is the base spirit chartreuse jaune in a glass: a saturated, slightly green yellow that's brighter than lemon and warmer than lime. The liqueur gave the color its name, not the other way around.

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.

#89bb2b
Original
#c5ae02
Protanopia
#beab3a
Deuteranopia
#8eb2a0
Tritanopia
#a6a6a6
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).
Failon White
2.28:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
9.21:1

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
##89BB2B
Display P3
Display P3
color(display-p3 0.5784 0.7279 0.2767)
P3 has subtle headroomOKLCH chroma 0.174

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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