table alpha to hexa

gistfile1.md

alpha to hexa

Useful for colour values, the 'AA' in #RRGGBBAA

hexa = Math.round(i*255).toString(16)

for (i=0; i<=1; i+=0.05) {
console.log(i, Math.round(i*255).toString(16))
}

• 0.05 <=> 0d
• 0.10 <=> 1a
• 0.15 <=> 26
• 0.20 <=> 33
• 0.25 <=> 40
• 0.30 <=> 4d
• 0.35 <=> 59
• 0.40 <=> 66
• 0.45 <=> 73
• 0.50 <=> 7f
• 0.55 <=> 8c
• 0.60 <=> 99
• 0.65 <=> a6
• 0.70 <=> b3
• 0.75 <=> bf
• 0.80 <=> cc
• 0.85 <=> d9
• 0.90 <=> e6
• 0.95 <=> f2
• 1.00 <=> ff