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Effervescent Hera Chartreuse

#c3d75e
Notes

Effervescent Hera Chartreuse (#C3D75E) is a true yellow with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (70°, 60%, 61%) 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
#c3d75e
RGB
rgb(195, 215, 94)
HSL
hsl(70, 60%, 61%)
HWB
hwb(70 37% 16%)
OKLCH
oklch(84.0% 0.148 117.5)
P3
color(display-p3 0.7794 0.8407 0.4372)
HSV
hsv(70, 56%, 84%)
LAB
lab(82.38% -23.63 56.34)
LCH
lch(82.38% 61.09 112.75)
CMYK
cmyk(9%, 0%, 56%, 16%)

Etymology

Effervescent
adjective

Latin effervēscēns, boiling-out — present-participle of effervesce, sharing root with fervere (to boil). As a color modifier, effervescent implies a saturated-and-bubbling-and-active quality, the bright color of Champagne-and-Prosecco effervescent-wine carbonation-bubble-light reflection. Sits at the bright-and-effervescent end of the grid, parallel to fizzy and sparkling in usage.

Hera
modifier

Greek Ἥρα, queen-of-the-Olympian-gods. As a color modifier, hera implies a peacock-feather-and-queen-of-gods quality, the visual register of Olympian-Hera-and-Argos-temple hand-peacock-feather-and-queen-of-gods Olympian-Hera-and-Argos-temple-and-Heraion-of-Samos hera-and-peacock-feather-and-queen-of-gods surfaces under Olympian-Hera-and-Argos-temple-and-Heraion-of-Samos Polyclitus-and-Argive-and-Samian peacock-throne-light. Sits at the modifier-and-myth end of the grid, parallel to zeus and diana 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.

#c3d75e
Original
#e4cd51
Protanopia
#e2ce65
Deuteranopia
#cdccbd
Tritanopia
#cacaca
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
1.59:1
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
13.20:1

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
##C3D75E
Display P3
Display P3
color(display-p3 0.7794 0.8407 0.4372)
P3 has subtle headroomOKLCH chroma 0.148

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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