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Frantic Verdant

#12b55f
Notes

Frantic Verdant (#12B55F) is a true teal 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 (148°, 82%, 39%) places it in the highly saturated band at a mid 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#12b55f
RGB
rgb(18, 181, 95)
HSL
hsl(148, 82%, 39%)
HWB
hwb(148 7% 29%)
OKLCH
oklch(67.9% 0.174 152.2)
P3
color(display-p3 0.3264 0.6993 0.4069)
HSV
hsv(148, 90%, 71%)
LAB
lab(64.96% -57.46 33.19)
LCH
lch(64.96% 66.36 149.99)
CMYK
cmyk(90%, 0%, 48%, 29%)

Etymology

Frantic
adjective

Greek phrenitikós, frenzied — adjectival suffix, sharing root with phrenitis (delirium). As a color modifier, frantic implies a saturated-and-rushed-and-overactive quality, the bright color of Memphis-Group 1980s-design over-the-top saturated visual-rhythm. Sits at the bright-and-active end of the grid, parallel to frenetic and manic in usage.

Verdant
noun

From the Latin viridis, green, through the French verdoyant. Verdant describes lushness — the saturated chlorophyll greenness of a thoroughly watered landscape after rain. The color refers to that idealized peak-summer green: a saturated, slightly cool green with the optical density of fully irrigated foliage. Deeper than meadow, cooler than basil, with the literary weight of a word that almost always appears in pastoral or paradisiacal contexts.

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.

#12b55f
Original
#b5a558
Protanopia
#a59965
Deuteranopia
#00b2a1
Tritanopia
#8c8c8c
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
2.69:1
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
7.80:1

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
##12B55F
Display P3
Display P3
color(display-p3 0.3264 0.6993 0.4069)
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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