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Effective Lemonade

#cadd7d
Notes

Effective Lemonade (#CADD7D) 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 (72°, 59%, 68%) 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
#cadd7d
RGB
rgb(202, 221, 125)
HSL
hsl(72, 59%, 68%)
HWB
hwb(72 49% 13%)
OKLCH
oklch(86.2% 0.123 118.2)
HSV
hsv(72, 43%, 87%)
LAB
lab(84.87% -20.88 44.87)
LCH
lch(84.87% 49.49 114.96)
CMYK
cmyk(9%, 0%, 43%, 13%)

Etymology

Effective
adjective

Latin effectīvus, productive — adjectival suffix -ive. As a color modifier, effective implies a clear-and-purpose-achieving quality where the hue carries the visual register of successful-task-completion design-element. Sits at the crisp-and-functional end of the grid, parallel to practical and useful in usage.

Lemonade
noun

The classic citrus drink — fresh lemon juice diluted with water and sweetener, served chilled in summer. Lemonade refers to the color of fresh-squeezed lemonade in a clear glass: a soft, slightly cool pale yellow with the optical clarity of citrus-juice-and-water. Cooler than mayonnaise.

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

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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.

#cadd7d
Original
#e8d475
Protanopia
#e6d482
Deuteranopia
#d3d4c6
Tritanopia
#d2d2d2
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
1.48:1
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
14.15:1

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