#rabbit-color-calculator {
max-width: 700px;
margin: 20px auto;
padding: 20px;
background: #ffffff;
border-radius: 8px;
box-shadow: 0 2px 8px rgba(0,0,0,0.15);
font-family: -apple-system, BlinkMacSystemFont, ‘Arial’, sans-serif;
color: #333333;
box-sizing: border-box;
line-height: 1.6;
}
h2 {
text-align: center;
margin: 0 0 15px;
font-size: 1.6rem;
font-weight: 600;
color: #222222;
}
p {
text-align: center;
color: #666666;
font-size: 0.9rem;
margin-bottom: 20px;
}
.form-group {
margin-bottom: 20px;
position: relative;
}
label {
display: block;
margin-bottom: 6px;
font-size: 0.9rem;
font-weight: 600;
color: #333333;
}
select, #breed1-input, #breed2-input {
width: 100%;
padding: 10px;
border: 1px solid #dddddd;
border-radius: 4px;
font-size: 0.9rem;
box-sizing: border-box;
transition: border-color 0.3s, box-shadow 0.3s;
}
select:focus, #breed1-input:focus, #breed2-input:focus {
border-color: #0073aa;
box-shadow: 0 0 5px rgba(0,115,170,0.3);
outline: none;
}
.autocomplete-list {
position: absolute;
width: 100%;
max-height: 150px;
overflow-y: auto;
background: #ffffff;
border: 1px solid #dddddd;
border-radius: 4px;
z-index: 10;
margin-top: 2px;
box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.autocomplete-item {
padding: 8px;
font-size: 0.9rem;
cursor: pointer;
transition: background 0.2s;
}
.autocomplete-item:hover {
background: #f0f0f0;
}
.color-swatch {
display: inline-block;
width: 20px;
height: 20px;
border-radius: 4px;
margin-right: 8px;
vertical-align: middle;
border: 1px solid #dddddd;
}
.tooltip {
position: relative;
display: inline-block;
margin-left: 5px;
cursor: help;
}
.tooltip .tooltip-text {
visibility: hidden;
width: 220px;
background: #333333;
color: #ffffff;
text-align: center;
border-radius: 4px;
padding: 8px;
position: absolute;
z-index: 10;
bottom: 125%;
left: 50%;
transform: translateX(-50%);
opacity: 0;
transition: opacity 0.3s;
font-size: 0.75rem;
}
.tooltip:hover .tooltip-text {
visibility: visible;
opacity: 1;
}
.color-diagram {
margin: 15px 0;
text-align: center;
}
.color-diagram svg {
max-width: 100%;
height: auto;
}
.button-group {
display: flex;
gap: 12px;
justify-content: center;
margin: 20px 0;
}
button {
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 0.9rem;
font-weight: 500;
transition: background 0.3s, transform 0.2s;
}
button:hover {
transform: translateY(-1px);
}
#calculate-btn {
background: #0073aa;
color: #ffffff;
}
#calculate-btn:hover {
background: #005177;
}
#reset-btn {
background: #6c757d;
color: #ffffff;
}
#reset-btn:hover {
background: #5a6268;
}
#copy-btn {
background: #28a745;
color: #ffffff;
}
#copy-btn:hover {
background: #218838;
}
#result {
margin-top: 20px;
padding: 15px;
border-radius: 4px;
font-size: 0.9rem;
line-height: 1.6;
min-height: 30px;
opacity: 0;
transition: opacity 0.5s;
}
#result.show {
opacity: 1;
}
#result.success {
background: #e6f4ea;
border: 1px solid #28a745;
}
#result.error {
background: #f8d7da;
border: 1px solid #dc3545;
}
.notes {
margin-top: 15px;
font-size: 0.85rem;
}
.notes ul {
padding-left: 20px;
}
.learn-more {
display: block;
text-align: center;
margin-top: 15px;
font-size: 0.9rem;
color: #0073aa;
text-decoration: none;
}
.learn-more:hover {
text-decoration: underline;
}
noscript {
display: block;
color: #dc3545;
text-align: center;
margin-top: 15px;
font-size: 0.9rem;
}
@media (max-width: 600px) {
#rabbit-color-calculator {
margin: 10px;
padding: 15px;
}
h2 {
font-size: 1.3rem;
}
.button-group {
flex-direction: column;
}
button {
width: 100%;
}
.color-diagram svg {
max-width: 80%;
}
}
Parent 2: ${breed2.name} (${color2})
Possible Offspring Colors:
${outcomes.map(o => ` c.name === o.color)?.hex || ‘#ffffff’}”>${o.color} (${o.probability}%)`).join(‘
‘)}
Rabbit Color Calculator
Predict possible coat colors of rabbit offspring based on parents’ colors. Consult a breeder for precise genetic predictions.
Select a color
Select a color
Solid (e.g., Black)
Broken (Spotted)
Enter both parents’ breeds and coat colors, then click “Calculate”.
Learn More About Rabbit Genetics
JavaScript is disabled. Please enable it to use the calculator.
(function() {
document.addEventListener(‘DOMContentLoaded’, function() {
// Encapsulate and ensure DOM is ready
const calculator = document.getElementById(‘rabbit-color-calculator’);
if (!calculator) {
console.error(‘Rabbit Color Calculator container not found.’);
return;
}
const form = document.getElementById(‘calc-form’);
const breed1Input = document.getElementById(‘breed1-input’);
const breed1Value = document.getElementById(‘breed1-value’);
const autocompleteList1 = document.getElementById(‘autocomplete-list1’);
const color1Select = document.getElementById(‘color1’);
const breed2Input = document.getElementById(‘breed2-input’);
const breed2Value = document.getElementById(‘breed2-value’);
const autocompleteList2 = document.getElementById(‘autocomplete-list2’);
const color2Select = document.getElementById(‘color2’);
const resultDiv = document.getElementById(‘result’);
// Validate DOM elements
if (!form || !breed1Input || !breed1Value || !autocompleteList1 || !color1Select ||
!breed2Input || !breed2Value || !autocompleteList2 || !color2Select || !resultDiv) {
console.error(‘Required DOM elements missing.’);
resultDiv.innerHTML = ‘Error: Calculator failed to initialize. Please refresh the page.’;
resultDiv.className = ‘error’;
return;
}
const breedList = [
{ name: ‘Holland Lop’, colors: [‘Black’, ‘Blue’, ‘Chocolate’, ‘Broken’], care: ‘Compact, needs soft bedding.’ },
{ name: ‘Netherland Dwarf’, colors: [‘Black’, ‘Blue’, ‘White’, ‘Agouti’], care: ‘Small, gentle handling.’ },
{ name: ‘Mini Rex’, colors: [‘Black’, ‘Blue’, ‘Chocolate’, ‘Lilac’, ‘Broken’], care: ‘Velvety fur, grooming tools.’ },
{ name: ‘Lionhead’, colors: [‘Black’, ‘White’, ‘Tortoiseshell’], care: ‘Mane requires regular grooming.’ },
{ name: ‘Flemish Giant’, colors: [‘Black’, ‘Blue’, ‘White’, ‘Sandy’], care: ‘Large, sturdy flooring.’ },
{ name: ‘New Zealand’, colors: [‘Black’, ‘White’, ‘Red’], care: ‘Heavy, strong cage.’ },
{ name: ‘Californian’, colors: [‘White’], care: ‘Ample space for stretching.’ },
{ name: ‘French Lop’, colors: [‘Black’, ‘Blue’, ‘Broken’], care: ‘Floppy ears, check infections.’ },
{ name: ‘English Lop’, colors: [‘Black’, ‘Blue’, ‘Broken’], care: ‘Long ears, keep clean.’ },
{ name: ‘Mini Lop’, colors: [‘Black’, ‘Blue’, ‘Chocolate’, ‘Broken’], care: ‘Playful, chew toys.’ },
{ name: ‘Dutch’, colors: [‘Black’, ‘Blue’, ‘Chocolate’], care: ‘Active, hopping space.’ },
{ name: ‘Dwarf Hotot’, colors: [‘White’], care: ‘Small, safe toys.’ },
{ name: ‘Polish’, colors: [‘Black’, ‘Blue’, ‘White’], care: ‘Tiny, calm environments.’ },
{ name: ‘Jersey Wooly’, colors: [‘Black’, ‘White’, ‘Agouti’], care: ‘Woolly coat, brushing.’ },
{ name: ‘American Fuzzy Lop’, colors: [‘Black’, ‘Blue’, ‘Broken’], care: ‘Fuzzy fur, groom.’ },
{ name: ‘English Angora’, colors: [‘White’, ‘Black’], care: ‘High-maintenance wool.’ },
{ name: ‘French Angora’, colors: [‘White’, ‘Black’], care: ‘Woolly, grooming tools.’ },
{ name: ‘Satin’, colors: [‘Black’, ‘Blue’, ‘Chocolate’], care: ‘Shiny coat, clean bedding.’ },
{ name: ‘Rex’, colors: [‘Black’, ‘Blue’, ‘Lilac’], care: ‘Plush fur, skin care.’ },
{ name: ‘Silver Fox’, colors: [‘Black’], care: ‘Heavy, durable cage.’ },
{ name: ‘Havana’, colors: [‘Black’, ‘Blue’, ‘Chocolate’], care: ‘Sleek, hiding spots.’ },
{ name: ‘Palomino’, colors: [‘Cream’], care: ‘Large, ample space.’ },
{ name: ‘Beveren’, colors: [‘Black’, ‘Blue’, ‘White’], care: ‘Robust, strong enclosure.’ },
{ name: ‘Chinchilla’, colors: [‘Gray’], care: ‘Soft fur, dust-free bedding.’ },
{ name: ‘Harlequin’, colors: [‘Black’, ‘Blue’, ‘Chocolate’], care: ‘Colorful, visual enrichment.’ },
{ name: ‘Blanc de Hotot’, colors: [‘White’], care: ‘Distinctive markings, eye care.’ },
{ name: ‘Checkered Giant’, colors: [‘Black’, ‘Blue’], care: ‘Large, hopping space.’ },
{ name: ‘Cinnamon’, colors: [‘Brown’], care: ‘Active, chew toys.’ },
{ name: ‘Silver Marten’, colors: [‘Black’, ‘Blue’], care: ‘Sleek, clean environment.’ },
{ name: ‘Thrianta’, colors: [‘Red’], care: ‘Vibrant coat, monitor matting.’ },
{ name: ‘Unknown’, colors: [‘Agouti’, ‘Black’, ‘Blue’, ‘Chocolate’, ‘Lilac’, ‘White’, ‘Broken’], care: ‘General care: diet, exercise.’ }
];
const colorInfo = [
{ name: ‘Agouti’, hex: ‘#8b6f47’, genetics: ‘A_B_C_D_E_ (wild-type, chestnut pattern)’ },
{ name: ‘Black’, hex: ‘#4a4a4a’, genetics: ‘aaB_C_D_E_ (solid, dominant black)’ },
{ name: ‘Blue’, hex: ‘#6b7280’, genetics: ‘aaB_C_ddE_ (diluted black, recessive d)’ },
{ name: ‘Chocolate’, hex: ‘#5c4033’, genetics: ‘aabbC_D_E_ (brown, recessive b)’ },
{ name: ‘Lilac’, hex: ‘#c4b7cb’, genetics: ‘aabbC_ddE_ (diluted chocolate, recessive b, d)’ },
{ name: ‘White’, hex: ‘#ffffff’, genetics: ‘__c____ (albino, recessive c)’ },
{ name: ‘Broken’, hex: ‘#ffffff’, genetics: ‘Enen (spotted pattern, combined with other colors)’ }
];
function populateAutocomplete(input, list, valueInput) {
return function(event) {
// Ensure query is a string
const query = typeof event === ‘string’ ? event : (event?.target?.value || ”);
list.innerHTML = ”;
const safeQuery = String(query).toLowerCase();
const filteredBreeds = breedList.filter(b => b.name.toLowerCase().includes(safeQuery));
filteredBreeds.forEach(breed => {
const item = document.createElement(‘div’);
item.className = ‘autocomplete-item’;
item.textContent = `${breed.name} (Colors: ${breed.colors.join(‘, ‘)})`;
item.setAttribute(‘role’, ‘option’);
item.addEventListener(‘click’, () => {
input.value = breed.name;
valueInput.value = breed.name;
list.innerHTML = ”;
updateColorOptions(breed.name, input === breed1Input ? color1Select : color2Select);
});
list.appendChild(item);
});
};
}
function updateColorOptions(breedName, selectElement) {
const breed = breedList.find(b => b.name.toLowerCase() === breedName.toLowerCase()) || breedList.find(b => b.name === ‘Unknown’);
selectElement.innerHTML = ‘Select a color’;
breed.colors.forEach(color => {
const colorData = colorInfo.find(c => c.name === color);
const option = document.createElement(‘option’);
option.value = color;
option.textContent = color;
if (colorData) {
option.style.background = colorData.hex;
option.style.color = color === ‘White’ || color === ‘Broken’ ? ‘#000000’ : ‘#ffffff’;
}
selectElement.appendChild(option);
});
}
// Correct event listeners
breed1Input.addEventListener(‘input’, (e) => populateAutocomplete(breed1Input, autocompleteList1, breed1Value)(e));
breed1Input.addEventListener(‘focus’, (e) => populateAutocomplete(breed1Input, autocompleteList1, breed1Value)(e));
breed2Input.addEventListener(‘input’, (e) => populateAutocomplete(breed2Input, autocompleteList2, breed2Value)(e));
breed2Input.addEventListener(‘focus’, (e) => populateAutocomplete(breed2Input, autocompleteList2, breed2Value)(e));
document.addEventListener(‘click’, (e) => {
if (!breed1Input.contains(e.target) && !autocompleteList1.contains(e.target)) {
autocompleteList1.innerHTML = ”;
}
if (!breed2Input.contains(e.target) && !autocompleteList2.contains(e.target)) {
autocompleteList2.innerHTML = ”;
}
});
function calculate() {
resultDiv.className = ”;
resultDiv.innerHTML = ”;
resultDiv.classList.remove(‘show’);
try {
const breed1Name = breed1Value.value || breed1Input.value || ”;
const color1 = color1Select.value;
const breed2Name = breed2Value.value || breed2Input.value || ”;
const color2 = color2Select.value;
if (!breed1Name || !breed2Name) {
throw new Error(‘Please select breeds for both parents.’);
}
if (!color1 || !color2) {
throw new Error(‘Please select coat colors for both parents.’);
}
const breed1 = breedList.find(b => b.name.toLowerCase() === breed1Name.toLowerCase()) || breedList.find(b => b.name === ‘Unknown’);
const breed2 = breedList.find(b => b.name.toLowerCase() === breed2Name.toLowerCase()) || breedList.find(b => b.name === ‘Unknown’);
// Simplified color prediction
let outcomes = [];
const color1Data = colorInfo.find(c => c.name === color1);
const color2Data = colorInfo.find(c => c.name === color2);
if (color1 === ‘White’ || color2 === ‘White’) {
outcomes.push({ color: ‘White’, probability: color1 === color2 ? 100 : 50 });
if (color1 !== color2) {
outcomes.push({ color: color1 === ‘White’ ? color2 : color1, probability: 50 });
}
} else if (color1 === ‘Broken’ || color2 === ‘Broken’) {
outcomes.push({ color: ‘Broken’, probability: 50 });
outcomes.push({ color: color1 === ‘Broken’ ? color2 : color1, probability: 50 });
} else {
const colorPairs = {
‘Black’: { recessive: [‘Blue’, ‘Chocolate’, ‘Lilac’], dominant: ‘Black’ },
‘Blue’: { recessive: [‘Lilac’], dominant: ‘Black’ },
‘Chocolate’: { recessive: [‘Lilac’], dominant: ‘Chocolate’ },
‘Lilac’: { recessive: [], dominant: ‘Chocolate’ },
‘Agouti’: { recessive: [‘Black’, ‘Blue’, ‘Chocolate’, ‘Lilac’], dominant: ‘Agouti’ }
};
if (color1 === color2) {
outcomes.push({ color: color1, probability: 100 });
} else {
const color1Recessive = colorPairs[color1]?.recessive || [];
const color2Recessive = colorPairs[color2]?.recessive || [];
if (color1Recessive.includes(color2)) {
outcomes.push({ color: color1, probability: 50 });
outcomes.push({ color: color2, probability: 50 });
} else if (color2Recessive.includes(color1)) {
outcomes.push({ color: color2, probability: 50 });
outcomes.push({ color: color1, probability: 50 });
} else {
outcomes.push({ color: color1, probability: 50 });
outcomes.push({ color: color2, probability: 50 });
}
}
}
// Care notes
const careNotes = [];
if (color1 === ‘White’ || color2 === ‘White’) {
careNotes.push(‘White rabbits may need regular eye cleaning to prevent staining.’);
}
if (color1 === ‘Broken’ || color2 === ‘Broken’) {
careNotes.push(‘Broken patterns require no special grooming but add visual appeal.’);
}
careNotes.push(breed1.care, breed2.care);
resultDiv.innerHTML = `
Parent 1: ${breed1.name} (${color1})Parent 2: ${breed2.name} (${color2})
Possible Offspring Colors:
${outcomes.map(o => ` c.name === o.color)?.hex || ‘#ffffff’}”>${o.color} (${o.probability}%)`).join(‘
‘)}
Notes:
`;
resultDiv.className = ‘success’;
setTimeout(() => resultDiv.classList.add(‘show’), 100);
document.getElementById(‘copy-btn’).addEventListener(‘click’, () => {
const text = `
Rabbit Color Calculator Results
Parent 1: ${breed1.name} (${color1})
Parent 2: ${breed2.name} (${color2})
Possible Offspring Colors:
${outcomes.map(o => `- ${o.color} (${o.probability}%)`).join(‘\n’)}
Notes:
– Predictions are simplified; actual genetics involve multiple loci (A, B, C, D, E).
${careNotes.map(n => `- ${n}`).join(‘\n’)}
– Consult a breeder or geneticist for precise color outcomes.
`.trim();
navigator.clipboard.writeText(text).then(() => {
alert(‘Results copied to clipboard!’);
}).catch(() => {
alert(‘Failed to copy results. Please copy manually.’);
});
});
} catch (error) {
resultDiv.innerHTML = `Error: ${error.message}`;
resultDiv.className = ‘error’;
setTimeout(() => resultDiv.classList.add(‘show’), 100);
}
}
function reset() {
form.reset();
breed1Input.value = ”;
breed1Value.value = ”;
autocompleteList1.innerHTML = ”;
breed2Input.value = ”;
breed2Value.value = ”;
autocompleteList2.innerHTML = ”;
color1Select.innerHTML = ‘Select a color’;
color2Select.innerHTML = ‘Select a color’;
resultDiv.className = ”;
resultDiv.innerHTML = ‘Enter both parents’ breeds and coat colors, then click “Calculate”.’;
resultDiv.classList.remove(‘show’);
breed1Input.focus();
}
document.getElementById(‘calculate-btn’).addEventListener(‘click’, calculate);
document.getElementById(‘reset-btn’).addEventListener(‘click’, reset);
form.addEventListener(‘keypress’, (e) => {
if (e.key === ‘Enter’ && e.target.tagName !== ‘BUTTON’) {
e.preventDefault();
calculate();
}
});
});
})();
- Predictions are simplified; actual genetics involve multiple loci (A, B, C, D, E). ${careNotes.map(n => `
- ${n} `).join(”)}
- Consult a breeder or geneticist for precise color outcomes.