10% Opacity Hex Code — Near Transparent
10% opacity corresponds to the hex alpha byte 1A, giving a very faint, near-invisible tint.
How to use this tool
- Set the opacity percentage (0–100).
- Enter the base 6-digit hex color.
- Copy the 8-digit hex (e.g. #3a86ffcc) into your CSS.
10% opacity yields the hex alpha byte 1A, perfect for barely-there tints on backgrounds and cards.
Frequently asked questions
- What is an 8-digit hex color?
- #rrggbbaa where aa is the alpha channel: 00 = fully transparent, ff = fully opaque. Supported in CSS Color Level 4.
- Is 50% exactly 0x80?
- 50% × 255 = 127.5, which rounds to 128 = 0x80. The visual difference from 127 is imperceptible.