Lemonade Day

What was measured

Closest neighbours

ΔE00 9.5

how alike two adjacent swatches look

Darkest to lightest

3.03:1

WCAG contrast across the set

Lightness covered

33 pts

of OKLCH lightness, 0–100

Under colour blindness

ΔE00 6

worst under tritanopia

These two are one colour to a reader with tritanopia. Fine while the set is read as an order; never use them to mean two different things without a label or an icon as well.

Five colours are not an interface, so this is an offer rather than a token set. It does not clear WCAG AA on body text and secondary text and the accent — stated here rather than left for you to discover.

/* Lemonade Day — Empty states and success moments — light, and clearly not neutral. */
:root {
  --palette-1: #7c9049;
  --palette-2: #a7a44b;
  --palette-3: #d4b75b;
  --palette-4: #facb84;
  --palette-5: #feeada;

  /* A suggested mapping, not a token set. It falls short of WCAG AA on body text and secondary text and the accent — fix that before shipping. */
  --bg: #feeada;
  --text: #7c9049;        /* 3.03:1 on --bg */
  --muted: #a7a44b;      /* 2.23:1 on --bg */
  --accent: #d4b75b;     /* 1.68:1 on --bg */
  --accent-text: #111111;
}

// tailwind.config — Lemonade Day
export default {
  theme: {
    extend: {
      colors: {
        lemonadeday: {
        100: "#7c9049",
        200: "#a7a44b",
        300: "#d4b75b",
        400: "#facb84",
        500: "#feeada",
        },
      },
    },
  },
};

Use the Lemonade Day palette: #7C9049, #A7A44B, #D4B75B, #FACB84, #FEEADA.

It is for this: Empty states and success moments — light, and clearly not neutral.

Map it as ground #FEEADA, body text #7C9049, secondary text #A7A44B, and one accent #D4B75B with #111111 printed on it. That mapping does not clear WCAG AA on body text and secondary text and the accent — body 3.03:1, secondary 2.23:1, accent 1.68:1. Fix the named role against the ground before shipping; do not ship the pair as given.

Do not use it for: Warning colours — the palette is already sitting on yellow.

Do not add a sixth colour, do not tint the greys toward a second hue, and do not carry meaning on hue alone — once colour vision is taken away the closest two of these sit only 6 apart on the CIEDE2000 scale, which is too close to tell apart, so pair every coloured state with a label or an icon.

How this palette was built · no hex was chosen by hand

The catalog states a recipe — ramp from hue 92 — and the five colours are derived from it in OKLCH, where a step of lightness is a step your eye agrees with rather than one the hex numbers agree with. That is why the numbers above are properties of this palette rather than claims about it.

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