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Manic Primrose

#c7ef81
Notes

Manic Primrose (#C7EF81) is a soft 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 (82°, 77%, 72%) places it in the highly saturated band at a light 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#c7ef81
RGB
rgb(199, 239, 129)
HSL
hsl(82, 77%, 72%)
HWB
hwb(82 51% 6%)
OKLCH
oklch(90.0% 0.144 125.6)
P3
color(display-p3 0.8112 0.9326 0.5584)
HSV
hsv(82, 46%, 94%)
LAB
lab(89.61% -30.18 48.76)
LCH
lch(89.61% 57.34 121.75)
CMYK
cmyk(17%, 0%, 46%, 6%)

Etymology

Manic
adjective

Greek manikós, raving / mad — sharing root with mania. As a color modifier, manic implies a saturated-and-overstimulated-and-extreme quality, the bright color of Andy-Warhol-and-Pop-Art late-Pop-Art repeated-and-multiplied portrait color schemes. Sits at the bright-and-active end of the grid, parallel to hyper and frenetic in usage.

Primrose
noun

Primula vulgaris, the European primrose whose pale yellow flowers appear in early spring — prima rosa (first rose) for its early bloom. The color refers to a fresh primrose in March: a soft, slightly cool pale yellow with the satin finish of five-petaled flower with darker yellow center. Cooler than cowslip.

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.

#c7ef81
Original
#f9e378
Protanopia
#f4e187
Deuteranopia
#cde6d5
Tritanopia
#dfdfdf
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
1.30:1
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
16.09:1

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
##C7EF81
Display P3
Display P3
color(display-p3 0.8112 0.9326 0.5584)
P3 has subtle headroomOKLCH chroma 0.144

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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